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[media] V4L: mt9m111: propagate higher level abstraction down in functions

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It is more convenient to propagate the higher level abstraction - the
struct mt9m111 object into functions and then retrieve a pointer to
the i2c client, if needed, than to do the reverse.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-06-07 06:47:30 -03:00 committed by Mauro Carvalho Chehab
parent b7ccdba02a
commit 2768cbbba3
1 changed files with 82 additions and 85 deletions
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167
drivers/media/video/mt9m111.c
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@ -251,9 +251,10 @@ static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
return mt9m111_reg_write(client, reg, ret & ~data);
}
static int mt9m111_set_context(struct i2c_client *client,
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 +268,10 @@ 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;
@ -332,48 +333,50 @@ static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
return ret;
}
static int mt9m111_setfmt_bayer8(struct i2c_client *client)
static int mt9m111_setfmt_bayer8(struct mt9m111 *mt9m111)
{
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER |
MT9M111_OUTFMT_RGB);
}
static int mt9m111_setfmt_bayer10(struct i2c_client *client)
static int mt9m111_setfmt_bayer10(struct mt9m111 *mt9m111)
{
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP);
}
static int mt9m111_setfmt_rgb565(struct i2c_client *client)
static int mt9m111_setfmt_rgb565(struct mt9m111 *mt9m111)
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
int val = 0;
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int val = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
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)
static int mt9m111_setfmt_rgb555(struct mt9m111 *mt9m111)
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
int val = 0;
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int val = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
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)
static int mt9m111_setfmt_yuv(struct mt9m111 *mt9m111)
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
int val = 0;
if (mt9m111->swap_yuv_cb_cr)
@ -384,9 +387,9 @@ static int mt9m111_setfmt_yuv(struct i2c_client *client)
return mt9m111_setup_pixfmt(client, val);
}
static int mt9m111_enable(struct i2c_client *client)
static int mt9m111_enable(struct mt9m111 *mt9m111)
{
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 +398,9 @@ 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 +428,9 @@ 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 +446,14 @@ 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 +462,7 @@ 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 +470,7 @@ 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 +497,7 @@ 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;
@ -508,46 +508,47 @@ 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;
int ret;
switch (code) {
case V4L2_MBUS_FMT_SBGGR8_1X8:
ret = mt9m111_setfmt_bayer8(client);
ret = mt9m111_setfmt_bayer8(mt9m111);
break;
case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
ret = mt9m111_setfmt_bayer10(client);
ret = mt9m111_setfmt_bayer10(mt9m111);
break;
case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
ret = mt9m111_setfmt_rgb555(client);
ret = mt9m111_setfmt_rgb555(mt9m111);
break;
case V4L2_MBUS_FMT_RGB565_2X8_LE:
ret = mt9m111_setfmt_rgb565(client);
ret = mt9m111_setfmt_rgb565(mt9m111);
break;
case V4L2_MBUS_FMT_UYVY8_2X8:
mt9m111->swap_yuv_y_chromas = 0;
mt9m111->swap_yuv_cb_cr = 0;
ret = mt9m111_setfmt_yuv(client);
ret = mt9m111_setfmt_yuv(mt9m111);
break;
case V4L2_MBUS_FMT_VYUY8_2X8:
mt9m111->swap_yuv_y_chromas = 0;
mt9m111->swap_yuv_cb_cr = 1;
ret = mt9m111_setfmt_yuv(client);
ret = mt9m111_setfmt_yuv(mt9m111);
break;
case V4L2_MBUS_FMT_YUYV8_2X8:
mt9m111->swap_yuv_y_chromas = 1;
mt9m111->swap_yuv_cb_cr = 0;
ret = mt9m111_setfmt_yuv(client);
ret = mt9m111_setfmt_yuv(mt9m111);
break;
case V4L2_MBUS_FMT_YVYU8_2X8:
mt9m111->swap_yuv_y_chromas = 1;
mt9m111->swap_yuv_cb_cr = 1;
ret = mt9m111_setfmt_yuv(client);
ret = mt9m111_setfmt_yuv(mt9m111);
break;
default:
client = v4l2_get_subdevdata(&mt9m111->subdev);
dev_err(&client->dev, "Pixel format not handled : %x\n",
code);
ret = -EINVAL;
@ -561,7 +562,7 @@ 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 +580,9 @@ 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 +595,7 @@ 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 +635,7 @@ 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;
@ -738,9 +738,9 @@ static struct soc_camera_ops mt9m111_ops = {
.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 +758,9 @@ 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 +770,9 @@ 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 +789,9 @@ 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 +805,9 @@ 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 +824,7 @@ 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 +849,7 @@ 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 +866,7 @@ 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 +877,22 @@ 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;
@ -906,24 +906,21 @@ static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state)
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)
@ -933,28 +930,28 @@ static int mt9m111_resume(struct soc_camera_device *icd)
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;
@ -1005,7 +1002,7 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
goto ei2c;
}
ret = mt9m111_init(client);
ret = mt9m111_init(mt9m111);
ei2c:
return ret;