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path: root/drivers/media/video/mt9m111.c
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Diffstat (limited to 'drivers/media/video/mt9m111.c')
-rw-r--r--drivers/media/video/mt9m111.c359
1 files changed, 172 insertions, 187 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index ebebed92962..a357aa889fc 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -63,6 +63,12 @@
#define MT9M111_RESET_RESTART_FRAME (1 << 1)
#define MT9M111_RESET_RESET_MODE (1 << 0)
+#define MT9M111_RM_FULL_POWER_RD (0 << 10)
+#define MT9M111_RM_LOW_POWER_RD (1 << 10)
+#define MT9M111_RM_COL_SKIP_4X (1 << 5)
+#define MT9M111_RM_ROW_SKIP_4X (1 << 4)
+#define MT9M111_RM_COL_SKIP_2X (1 << 3)
+#define MT9M111_RM_ROW_SKIP_2X (1 << 2)
#define MT9M111_RMB_MIRROR_COLS (1 << 1)
#define MT9M111_RMB_MIRROR_ROWS (1 << 0)
#define MT9M111_CTXT_CTRL_RESTART (1 << 15)
@@ -95,7 +101,8 @@
#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
-
+#define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9)
+#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8)
#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
@@ -110,9 +117,8 @@
#define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4)
#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3)
#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
-#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1)
-#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1)
-#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0)
+#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1)
+#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0)
/*
* Camera control register addresses (0x200..0x2ff not implemented)
@@ -122,6 +128,8 @@
#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val))
#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val))
#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val))
+#define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \
+ (val), (mask))
#define MT9M111_MIN_DARK_ROWS 8
#define MT9M111_MIN_DARK_COLS 26
@@ -153,7 +161,11 @@ static const struct mt9m111_datafmt mt9m111_colour_fmts[] = {
{V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG},
{V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG},
{V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB},
{V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB},
{V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
{V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
};
@@ -169,6 +181,8 @@ struct mt9m111 {
* from v4l2-chip-ident.h */
enum mt9m111_context context;
struct v4l2_rect rect;
+ struct mutex power_lock; /* lock to protect power_count */
+ int power_count;
const struct mt9m111_datafmt *fmt;
unsigned int gain;
unsigned char autoexposure;
@@ -176,10 +190,6 @@ struct mt9m111 {
unsigned int powered:1;
unsigned int hflip:1;
unsigned int vflip:1;
- unsigned int swap_rgb_even_odd:1;
- unsigned int swap_rgb_red_blue:1;
- unsigned int swap_yuv_y_chromas:1;
- unsigned int swap_yuv_cb_cr:1;
unsigned int autowhitebalance:1;
};
@@ -248,12 +258,26 @@ static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
int ret;
ret = mt9m111_reg_read(client, reg);
- return mt9m111_reg_write(client, reg, ret & ~data);
+ if (ret >= 0)
+ ret = mt9m111_reg_write(client, reg, ret & ~data);
+ return ret;
}
-static int mt9m111_set_context(struct i2c_client *client,
+static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg,
+ const u16 data, const u16 mask)
+{
+ int ret;
+
+ ret = mt9m111_reg_read(client, reg);
+ if (ret >= 0)
+ ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data);
+ return ret;
+}
+
+static int mt9m111_set_context(struct mt9m111 *mt9m111,
enum mt9m111_context ctxt)
{
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B
| MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B
| MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B
@@ -267,10 +291,10 @@ static int mt9m111_set_context(struct i2c_client *client,
return reg_write(CONTEXT_CONTROL, valA);
}
-static int mt9m111_setup_rect(struct i2c_client *client,
+static int mt9m111_setup_rect(struct mt9m111 *mt9m111,
struct v4l2_rect *rect)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret, is_raw_format;
int width = rect->width;
int height = rect->height;
@@ -312,81 +336,9 @@ static int mt9m111_setup_rect(struct i2c_client *client,
return ret;
}
-static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
+static int mt9m111_enable(struct mt9m111 *mt9m111)
{
- int ret;
- u16 mask = MT9M111_OUTFMT_PROCESSED_BAYER | MT9M111_OUTFMT_RGB |
- MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_SWAP_RGB_EVEN |
- MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 |
- MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr |
- MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
-
- ret = reg_read(OUTPUT_FORMAT_CTRL2_A);
- if (ret >= 0)
- ret = reg_write(OUTPUT_FORMAT_CTRL2_A, (ret & ~mask) | outfmt);
- if (!ret)
- ret = reg_read(OUTPUT_FORMAT_CTRL2_B);
- if (ret >= 0)
- ret = reg_write(OUTPUT_FORMAT_CTRL2_B, (ret & ~mask) | outfmt);
-
- return ret;
-}
-
-static int mt9m111_setfmt_bayer8(struct i2c_client *client)
-{
- return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER |
- MT9M111_OUTFMT_RGB);
-}
-
-static int mt9m111_setfmt_bayer10(struct i2c_client *client)
-{
- return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP);
-}
-
-static int mt9m111_setfmt_rgb565(struct i2c_client *client)
-{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
- int val = 0;
-
- if (mt9m111->swap_rgb_red_blue)
- val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
- if (mt9m111->swap_rgb_even_odd)
- val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
- val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
-
- return mt9m111_setup_pixfmt(client, val);
-}
-
-static int mt9m111_setfmt_rgb555(struct i2c_client *client)
-{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
- int val = 0;
-
- if (mt9m111->swap_rgb_red_blue)
- val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
- if (mt9m111->swap_rgb_even_odd)
- val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
- val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
-
- return mt9m111_setup_pixfmt(client, val);
-}
-
-static int mt9m111_setfmt_yuv(struct i2c_client *client)
-{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
- int val = 0;
-
- if (mt9m111->swap_yuv_cb_cr)
- val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr;
- if (mt9m111->swap_yuv_y_chromas)
- val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
-
- return mt9m111_setup_pixfmt(client, val);
-}
-
-static int mt9m111_enable(struct i2c_client *client)
-{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE);
@@ -395,8 +347,9 @@ static int mt9m111_enable(struct i2c_client *client)
return ret;
}
-static int mt9m111_reset(struct i2c_client *client)
+static int mt9m111_reset(struct mt9m111 *mt9m111)
{
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
@@ -424,11 +377,9 @@ static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
return 0;
}
-static int mt9m111_make_rect(struct i2c_client *client,
+static int mt9m111_make_rect(struct mt9m111 *mt9m111,
struct v4l2_rect *rect)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
-
if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) {
/* Bayer format - even size lengths */
@@ -444,14 +395,14 @@ static int mt9m111_make_rect(struct i2c_client *client,
soc_camera_limit_side(&rect->top, &rect->height,
MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT);
- return mt9m111_setup_rect(client, rect);
+ return mt9m111_setup_rect(mt9m111, rect);
}
static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
struct v4l2_rect rect = a->c;
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
int ret;
dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
@@ -460,7 +411,7 @@ static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- ret = mt9m111_make_rect(client, &rect);
+ ret = mt9m111_make_rect(mt9m111, &rect);
if (!ret)
mt9m111->rect = rect;
return ret;
@@ -468,8 +419,7 @@ static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
a->c = mt9m111->rect;
a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@@ -496,8 +446,7 @@ static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
static int mt9m111_g_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
mf->width = mt9m111->rect.width;
mf->height = mt9m111->rect.height;
@@ -508,51 +457,73 @@ static int mt9m111_g_fmt(struct v4l2_subdev *sd,
return 0;
}
-static int mt9m111_set_pixfmt(struct i2c_client *client,
+static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111,
enum v4l2_mbus_pixelcode code)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
+ u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
+ MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB |
+ MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 |
+ MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 |
+ MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
+ MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
int ret;
switch (code) {
case V4L2_MBUS_FMT_SBGGR8_1X8:
- ret = mt9m111_setfmt_bayer8(client);
+ data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
+ MT9M111_OUTFMT_RGB;
break;
case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
- ret = mt9m111_setfmt_bayer10(client);
+ data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB;
break;
case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
- ret = mt9m111_setfmt_rgb555(client);
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 |
+ MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
+ break;
+ case V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE:
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
break;
case V4L2_MBUS_FMT_RGB565_2X8_LE:
- ret = mt9m111_setfmt_rgb565(client);
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
+ MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
+ break;
+ case V4L2_MBUS_FMT_RGB565_2X8_BE:
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
+ break;
+ case V4L2_MBUS_FMT_BGR565_2X8_BE:
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
+ MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
+ break;
+ case V4L2_MBUS_FMT_BGR565_2X8_LE:
+ data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
+ MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
+ MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
break;
case V4L2_MBUS_FMT_UYVY8_2X8:
- mt9m111->swap_yuv_y_chromas = 0;
- mt9m111->swap_yuv_cb_cr = 0;
- ret = mt9m111_setfmt_yuv(client);
+ data_outfmt2 = 0;
break;
case V4L2_MBUS_FMT_VYUY8_2X8:
- mt9m111->swap_yuv_y_chromas = 0;
- mt9m111->swap_yuv_cb_cr = 1;
- ret = mt9m111_setfmt_yuv(client);
+ data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
break;
case V4L2_MBUS_FMT_YUYV8_2X8:
- mt9m111->swap_yuv_y_chromas = 1;
- mt9m111->swap_yuv_cb_cr = 0;
- ret = mt9m111_setfmt_yuv(client);
+ data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
break;
case V4L2_MBUS_FMT_YVYU8_2X8:
- mt9m111->swap_yuv_y_chromas = 1;
- mt9m111->swap_yuv_cb_cr = 1;
- ret = mt9m111_setfmt_yuv(client);
+ data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
+ MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
break;
default:
- dev_err(&client->dev, "Pixel format not handled : %x\n",
- code);
- ret = -EINVAL;
+ dev_err(&client->dev, "Pixel format not handled: %x\n", code);
+ return -EINVAL;
}
+ ret = reg_mask(OUTPUT_FORMAT_CTRL2_A, data_outfmt2,
+ mask_outfmt2);
+ if (!ret)
+ ret = reg_mask(OUTPUT_FORMAT_CTRL2_B, data_outfmt2,
+ mask_outfmt2);
+
return ret;
}
@@ -561,7 +532,7 @@ static int mt9m111_s_fmt(struct v4l2_subdev *sd,
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
const struct mt9m111_datafmt *fmt;
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
struct v4l2_rect rect = {
.left = mt9m111->rect.left,
.top = mt9m111->rect.top,
@@ -579,9 +550,9 @@ static int mt9m111_s_fmt(struct v4l2_subdev *sd,
"%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
mf->code, rect.left, rect.top, rect.width, rect.height);
- ret = mt9m111_make_rect(client, &rect);
+ ret = mt9m111_make_rect(mt9m111, &rect);
if (!ret)
- ret = mt9m111_set_pixfmt(client, mf->code);
+ ret = mt9m111_set_pixfmt(mt9m111, mf->code);
if (!ret) {
mt9m111->rect = rect;
mt9m111->fmt = fmt;
@@ -594,8 +565,7 @@ static int mt9m111_s_fmt(struct v4l2_subdev *sd,
static int mt9m111_try_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
const struct mt9m111_datafmt *fmt;
bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE;
@@ -635,7 +605,7 @@ static int mt9m111_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *id)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
return -EINVAL;
@@ -726,21 +696,16 @@ static const struct v4l2_queryctrl mt9m111_controls[] = {
}
};
-static int mt9m111_resume(struct soc_camera_device *icd);
-static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state);
-
static struct soc_camera_ops mt9m111_ops = {
- .suspend = mt9m111_suspend,
- .resume = mt9m111_resume,
.query_bus_param = mt9m111_query_bus_param,
.set_bus_param = mt9m111_set_bus_param,
.controls = mt9m111_controls,
.num_controls = ARRAY_SIZE(mt9m111_controls),
};
-static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask)
+static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
if (mt9m111->context == HIGHPOWER) {
@@ -758,8 +723,9 @@ static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask)
return ret;
}
-static int mt9m111_get_global_gain(struct i2c_client *client)
+static int mt9m111_get_global_gain(struct mt9m111 *mt9m111)
{
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int data;
data = reg_read(GLOBAL_GAIN);
@@ -769,9 +735,9 @@ static int mt9m111_get_global_gain(struct i2c_client *client)
return data;
}
-static int mt9m111_set_global_gain(struct i2c_client *client, int gain)
+static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
u16 val;
if (gain > 63 * 2 * 2)
@@ -788,9 +754,9 @@ static int mt9m111_set_global_gain(struct i2c_client *client, int gain)
return reg_write(GLOBAL_GAIN, val);
}
-static int mt9m111_set_autoexposure(struct i2c_client *client, int on)
+static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int on)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
if (on)
@@ -804,9 +770,9 @@ static int mt9m111_set_autoexposure(struct i2c_client *client, int on)
return ret;
}
-static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on)
+static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
if (on)
@@ -823,7 +789,7 @@ static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on)
static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
int data;
switch (ctrl->id) {
@@ -848,7 +814,7 @@ static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
break;
case V4L2_CID_GAIN:
- data = mt9m111_get_global_gain(client);
+ data = mt9m111_get_global_gain(mt9m111);
if (data < 0)
return data;
ctrl->value = data;
@@ -865,8 +831,7 @@ static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
const struct v4l2_queryctrl *qctrl;
int ret;
@@ -877,22 +842,22 @@ static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
switch (ctrl->id) {
case V4L2_CID_VFLIP:
mt9m111->vflip = ctrl->value;
- ret = mt9m111_set_flip(client, ctrl->value,
+ ret = mt9m111_set_flip(mt9m111, ctrl->value,
MT9M111_RMB_MIRROR_ROWS);
break;
case V4L2_CID_HFLIP:
mt9m111->hflip = ctrl->value;
- ret = mt9m111_set_flip(client, ctrl->value,
+ ret = mt9m111_set_flip(mt9m111, ctrl->value,
MT9M111_RMB_MIRROR_COLS);
break;
case V4L2_CID_GAIN:
- ret = mt9m111_set_global_gain(client, ctrl->value);
+ ret = mt9m111_set_global_gain(mt9m111, ctrl->value);
break;
case V4L2_CID_EXPOSURE_AUTO:
- ret = mt9m111_set_autoexposure(client, ctrl->value);
+ ret = mt9m111_set_autoexposure(mt9m111, ctrl->value);
break;
case V4L2_CID_AUTO_WHITE_BALANCE:
- ret = mt9m111_set_autowhitebalance(client, ctrl->value);
+ ret = mt9m111_set_autowhitebalance(mt9m111, ctrl->value);
break;
default:
ret = -EINVAL;
@@ -901,60 +866,52 @@ static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
return ret;
}
-static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state)
+static int mt9m111_suspend(struct mt9m111 *mt9m111)
{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
- struct mt9m111 *mt9m111 = to_mt9m111(client);
-
- mt9m111->gain = mt9m111_get_global_gain(client);
+ mt9m111->gain = mt9m111_get_global_gain(mt9m111);
return 0;
}
-static int mt9m111_restore_state(struct i2c_client *client)
+static void mt9m111_restore_state(struct mt9m111 *mt9m111)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
-
- mt9m111_set_context(client, mt9m111->context);
- mt9m111_set_pixfmt(client, mt9m111->fmt->code);
- mt9m111_setup_rect(client, &mt9m111->rect);
- mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
- mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
- mt9m111_set_global_gain(client, mt9m111->gain);
- mt9m111_set_autoexposure(client, mt9m111->autoexposure);
- mt9m111_set_autowhitebalance(client, mt9m111->autowhitebalance);
- return 0;
+ mt9m111_set_context(mt9m111, mt9m111->context);
+ mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code);
+ mt9m111_setup_rect(mt9m111, &mt9m111->rect);
+ mt9m111_set_flip(mt9m111, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
+ mt9m111_set_flip(mt9m111, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
+ mt9m111_set_global_gain(mt9m111, mt9m111->gain);
+ mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
+ mt9m111_set_autowhitebalance(mt9m111, mt9m111->autowhitebalance);
}
-static int mt9m111_resume(struct soc_camera_device *icd)
+static int mt9m111_resume(struct mt9m111 *mt9m111)
{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
- struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret = 0;
if (mt9m111->powered) {
- ret = mt9m111_enable(client);
+ ret = mt9m111_enable(mt9m111);
if (!ret)
- ret = mt9m111_reset(client);
+ ret = mt9m111_reset(mt9m111);
if (!ret)
- ret = mt9m111_restore_state(client);
+ mt9m111_restore_state(mt9m111);
}
return ret;
}
-static int mt9m111_init(struct i2c_client *client)
+static int mt9m111_init(struct mt9m111 *mt9m111)
{
- struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int ret;
mt9m111->context = HIGHPOWER;
- ret = mt9m111_enable(client);
+ ret = mt9m111_enable(mt9m111);
if (!ret)
- ret = mt9m111_reset(client);
+ ret = mt9m111_reset(mt9m111);
if (!ret)
- ret = mt9m111_set_context(client, mt9m111->context);
+ ret = mt9m111_set_context(mt9m111, mt9m111->context);
if (!ret)
- ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure);
+ ret = mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
if (ret)
dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
return ret;
@@ -971,20 +928,13 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
s32 data;
int ret;
- /*
- * We must have a parent by now. And it cannot be a wrong one.
- * So this entire test is completely redundant.
- */
- if (!icd->dev.parent ||
- to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
- return -ENODEV;
+ /* We must have a parent by now. And it cannot be a wrong one. */
+ BUG_ON(!icd->parent ||
+ to_soc_camera_host(icd->parent)->nr != icd->iface);
mt9m111->autoexposure = 1;
mt9m111->autowhitebalance = 1;
- mt9m111->swap_rgb_even_odd = 1;
- mt9m111->swap_rgb_red_blue = 1;
-
data = reg_read(CHIP_VERSION);
switch (data) {
@@ -1005,16 +955,51 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
goto ei2c;
}
- ret = mt9m111_init(client);
+ ret = mt9m111_init(mt9m111);
ei2c:
return ret;
}
+static int mt9m111_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret = 0;
+
+ mutex_lock(&mt9m111->power_lock);
+
+ /*
+ * If the power count is modified from 0 to != 0 or from != 0 to 0,
+ * update the power state.
+ */
+ if (mt9m111->power_count == !on) {
+ if (on) {
+ ret = mt9m111_resume(mt9m111);
+ if (ret) {
+ dev_err(&client->dev,
+ "Failed to resume the sensor: %d\n", ret);
+ goto out;
+ }
+ } else {
+ mt9m111_suspend(mt9m111);
+ }
+ }
+
+ /* Update the power count. */
+ mt9m111->power_count += on ? 1 : -1;
+ WARN_ON(mt9m111->power_count < 0);
+
+out:
+ mutex_unlock(&mt9m111->power_lock);
+ return ret;
+}
+
static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
.g_ctrl = mt9m111_g_ctrl,
.s_ctrl = mt9m111_s_ctrl,
.g_chip_ident = mt9m111_g_chip_ident,
+ .s_power = mt9m111_s_power,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = mt9m111_g_register,
.s_register = mt9m111_s_register,