aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/i2c/imx274.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/i2c/imx274.c')
-rw-r--r--drivers/media/i2c/imx274.c74
1 files changed, 27 insertions, 47 deletions
diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c
index daec33f4196a..63fb94e7da37 100644
--- a/drivers/media/i2c/imx274.c
+++ b/drivers/media/i2c/imx274.c
@@ -87,7 +87,7 @@
#define IMX274_SHR_LIMIT_CONST (4)
/*
- * Constants for sensor reset delay
+ * Min and max sensor reset delay (microseconds)
*/
#define IMX274_RESET_DELAY1 (2000)
#define IMX274_RESET_DELAY2 (2200)
@@ -107,15 +107,15 @@
/*
* IMX274 register definitions
*/
-#define IMX274_FRAME_LENGTH_ADDR_1 0x30FA /* VMAX, MSB */
-#define IMX274_FRAME_LENGTH_ADDR_2 0x30F9 /* VMAX */
-#define IMX274_FRAME_LENGTH_ADDR_3 0x30F8 /* VMAX, LSB */
+#define IMX274_SHR_REG_MSB 0x300D /* SHR */
+#define IMX274_SHR_REG_LSB 0x300C /* SHR */
#define IMX274_SVR_REG_MSB 0x300F /* SVR */
#define IMX274_SVR_REG_LSB 0x300E /* SVR */
+#define IMX274_VMAX_REG_1 0x30FA /* VMAX, MSB */
+#define IMX274_VMAX_REG_2 0x30F9 /* VMAX */
+#define IMX274_VMAX_REG_3 0x30F8 /* VMAX, LSB */
#define IMX274_HMAX_REG_MSB 0x30F7 /* HMAX */
#define IMX274_HMAX_REG_LSB 0x30F6 /* HMAX */
-#define IMX274_COARSE_TIME_ADDR_MSB 0x300D /* SHR */
-#define IMX274_COARSE_TIME_ADDR_LSB 0x300C /* SHR */
#define IMX274_ANALOG_GAIN_ADDR_LSB 0x300A /* ANALOG GAIN LSB */
#define IMX274_ANALOG_GAIN_ADDR_MSB 0x300B /* ANALOG GAIN MSB */
#define IMX274_DIGITAL_GAIN_REG 0x3012 /* Digital Gain */
@@ -144,22 +144,13 @@ enum imx274_mode {
IMX274_MODE_3840X2160,
IMX274_MODE_1920X1080,
IMX274_MODE_1280X720,
-
- IMX274_MODE_START_STREAM_1,
- IMX274_MODE_START_STREAM_2,
- IMX274_MODE_START_STREAM_3,
- IMX274_MODE_START_STREAM_4,
- IMX274_MODE_STOP_STREAM
};
/*
* imx274 format related structure
*/
struct imx274_frmfmt {
- u32 mbus_code;
- enum v4l2_colorspace colorspace;
struct v4l2_frmsize_discrete size;
- enum imx274_mode mode;
};
/*
@@ -489,24 +480,15 @@ static const struct reg_8 *mode_table[] = {
[IMX274_MODE_3840X2160] = imx274_mode1_3840x2160_raw10,
[IMX274_MODE_1920X1080] = imx274_mode3_1920x1080_raw10,
[IMX274_MODE_1280X720] = imx274_mode5_1280x720_raw10,
-
- [IMX274_MODE_START_STREAM_1] = imx274_start_1,
- [IMX274_MODE_START_STREAM_2] = imx274_start_2,
- [IMX274_MODE_START_STREAM_3] = imx274_start_3,
- [IMX274_MODE_START_STREAM_4] = imx274_start_4,
- [IMX274_MODE_STOP_STREAM] = imx274_stop,
};
/*
* imx274 format related structure
*/
static const struct imx274_frmfmt imx274_formats[] = {
- {MEDIA_BUS_FMT_SRGGB10_1X10, V4L2_COLORSPACE_SRGB, {3840, 2160},
- IMX274_MODE_3840X2160},
- {MEDIA_BUS_FMT_SRGGB10_1X10, V4L2_COLORSPACE_SRGB, {1920, 1080},
- IMX274_MODE_1920X1080},
- {MEDIA_BUS_FMT_SRGGB10_1X10, V4L2_COLORSPACE_SRGB, {1280, 720},
- IMX274_MODE_1280X720},
+ { {3840, 2160} },
+ { {1920, 1080} },
+ { {1280, 720} },
};
/*
@@ -737,11 +719,11 @@ static int imx274_mode_regs(struct stimx274 *priv, int mode)
{
int err = 0;
- err = imx274_write_table(priv, mode_table[IMX274_MODE_START_STREAM_1]);
+ err = imx274_write_table(priv, imx274_start_1);
if (err)
return err;
- err = imx274_write_table(priv, mode_table[IMX274_MODE_START_STREAM_2]);
+ err = imx274_write_table(priv, imx274_start_2);
if (err)
return err;
@@ -766,7 +748,7 @@ static int imx274_start_stream(struct stimx274 *priv)
* give it 1 extra ms for margin
*/
msleep_range(11);
- err = imx274_write_table(priv, mode_table[IMX274_MODE_START_STREAM_3]);
+ err = imx274_write_table(priv, imx274_start_3);
if (err)
return err;
@@ -776,7 +758,7 @@ static int imx274_start_stream(struct stimx274 *priv)
* give it 1 extra ms for margin
*/
msleep_range(8);
- err = imx274_write_table(priv, mode_table[IMX274_MODE_START_STREAM_4]);
+ err = imx274_write_table(priv, imx274_start_4);
if (err)
return err;
@@ -890,9 +872,8 @@ static int imx274_set_fmt(struct v4l2_subdev *sd,
int index;
dev_dbg(&client->dev,
- "%s: width = %d height = %d code = %d mbus_code = %d\n",
- __func__, fmt->width, fmt->height, fmt->code,
- imx274_formats[imx274->mode_index].mbus_code);
+ "%s: width = %d height = %d code = %d\n",
+ __func__, fmt->width, fmt->height, fmt->code);
mutex_lock(&imx274->lock);
@@ -971,7 +952,7 @@ static int imx274_s_frame_interval(struct v4l2_subdev *sd,
if (!ret) {
/*
* exposure time range is decided by frame interval
- * need to update it after frame interal changes
+ * need to update it after frame interval changes
*/
min = IMX274_MIN_EXPOSURE_TIME;
max = fi->interval.numerator * 1000000
@@ -984,7 +965,7 @@ static int imx274_s_frame_interval(struct v4l2_subdev *sd,
}
/* update exposure time accordingly */
- imx274_set_exposure(imx274, imx274->ctrls.exposure->val);
+ imx274_set_exposure(imx274, ctrl->val);
dev_dbg(&imx274->client->dev, "set frame interval to %uus\n",
fi->interval.numerator * 1000000
@@ -1088,8 +1069,7 @@ static int imx274_s_stream(struct v4l2_subdev *sd, int on)
goto fail;
} else {
/* stop stream */
- ret = imx274_write_table(imx274,
- mode_table[IMX274_MODE_STOP_STREAM]);
+ ret = imx274_write_table(imx274, imx274_stop);
if (ret)
goto fail;
}
@@ -1133,15 +1113,15 @@ static int imx274_get_frame_length(struct stimx274 *priv, u32 *val)
svr = (reg_val[1] << IMX274_SHIFT_8_BITS) + reg_val[0];
/* vmax */
- err = imx274_read_reg(priv, IMX274_FRAME_LENGTH_ADDR_3, &reg_val[0]);
+ err = imx274_read_reg(priv, IMX274_VMAX_REG_3, &reg_val[0]);
if (err)
goto fail;
- err = imx274_read_reg(priv, IMX274_FRAME_LENGTH_ADDR_2, &reg_val[1]);
+ err = imx274_read_reg(priv, IMX274_VMAX_REG_2, &reg_val[1]);
if (err)
goto fail;
- err = imx274_read_reg(priv, IMX274_FRAME_LENGTH_ADDR_1, &reg_val[2]);
+ err = imx274_read_reg(priv, IMX274_VMAX_REG_1, &reg_val[2]);
if (err)
goto fail;
@@ -1300,10 +1280,10 @@ fail:
static inline void imx274_calculate_coarse_time_regs(struct reg_8 regs[2],
u32 coarse_time)
{
- regs->addr = IMX274_COARSE_TIME_ADDR_MSB;
+ regs->addr = IMX274_SHR_REG_MSB;
regs->val = (coarse_time >> IMX274_SHIFT_8_BITS)
& IMX274_MASK_LSB_8_BITS;
- (regs + 1)->addr = IMX274_COARSE_TIME_ADDR_LSB;
+ (regs + 1)->addr = IMX274_SHR_REG_LSB;
(regs + 1)->val = (coarse_time) & IMX274_MASK_LSB_8_BITS;
}
@@ -1471,13 +1451,13 @@ static int imx274_set_test_pattern(struct stimx274 *priv, int val)
static inline void imx274_calculate_frame_length_regs(struct reg_8 regs[3],
u32 frame_length)
{
- regs->addr = IMX274_FRAME_LENGTH_ADDR_1;
+ regs->addr = IMX274_VMAX_REG_1;
regs->val = (frame_length >> IMX274_SHIFT_16_BITS)
& IMX274_MASK_LSB_4_BITS;
- (regs + 1)->addr = IMX274_FRAME_LENGTH_ADDR_2;
+ (regs + 1)->addr = IMX274_VMAX_REG_2;
(regs + 1)->val = (frame_length >> IMX274_SHIFT_8_BITS)
& IMX274_MASK_LSB_8_BITS;
- (regs + 2)->addr = IMX274_FRAME_LENGTH_ADDR_3;
+ (regs + 2)->addr = IMX274_VMAX_REG_3;
(regs + 2)->val = (frame_length) & IMX274_MASK_LSB_8_BITS;
}
@@ -1786,7 +1766,7 @@ static int imx274_remove(struct i2c_client *client)
struct stimx274 *imx274 = to_imx274(sd);
/* stop stream */
- imx274_write_table(imx274, mode_table[IMX274_MODE_STOP_STREAM]);
+ imx274_write_table(imx274, imx274_stop);
v4l2_async_unregister_subdev(sd);
v4l2_ctrl_handler_free(&imx274->ctrls.handler);
Copyright © 1990 – 2022 jet tsang zeon-git.
All Rights Reverse Engineered.