#include <linux/gpio.h>
#include <linux/delay.h>
+#include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-chip-ident.h>
-#include <media/soc_camera.h>
/*
* MT9M111, MT9M112 and MT9M131:
#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)
#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)
#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)
#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
{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},
};
struct mt9m111 {
struct v4l2_subdev subdev;
+ struct v4l2_ctrl_handler hdl;
+ struct v4l2_ctrl *gain;
int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code
* 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;
+ int lastpage; /* PageMap cache value */
unsigned char datawidth;
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;
};
static struct mt9m111 *to_mt9m111(const struct i2c_client *client)
{
int ret;
u16 page;
- static int lastpage = -1; /* PageMap cache value */
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
page = (reg >> 8);
- if (page == lastpage)
+ if (page == mt9m111->lastpage)
return 0;
if (page > 2)
return -EINVAL;
ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page));
if (!ret)
- lastpage = page;
+ mt9m111->lastpage = page;
return ret;
}
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
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;
return ret;
}
-static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
-{
- 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)
+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);
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);
return ret;
}
-static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
-{
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8;
-
- return soc_camera_apply_sensor_flags(icl, flags);
-}
-
-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 */
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",
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;
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;
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;
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;
}
{
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,
"%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;
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;
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;
}
#endif
-static const struct v4l2_queryctrl mt9m111_controls[] = {
- {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Verticaly",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- }, {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Horizontaly",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- }, { /* gain = 1/32*val (=>gain=1 if val==32) */
- .id = V4L2_CID_GAIN,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Gain",
- .minimum = 0,
- .maximum = 63 * 2 * 2,
- .step = 1,
- .default_value = 32,
- .flags = V4L2_CTRL_FLAG_SLIDER,
- }, {
- .id = V4L2_CID_EXPOSURE_AUTO,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Auto Exposure",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1,
- }
-};
-
-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) {
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);
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)
return -EINVAL;
- mt9m111->gain = gain;
if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
val = (1 << 10) | (1 << 9) | (gain / 4);
else if ((gain >= 64) && (gain < 64 * 2))
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);
- int ret;
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
if (on)
- ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
- else
- ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
-
- if (!ret)
- mt9m111->autoexposure = on;
-
- return ret;
+ return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
+ return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
}
-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);
- int ret;
+ struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
if (on)
- ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
- else
- ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
-
- if (!ret)
- mt9m111->autowhitebalance = on;
-
- return ret;
+ return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
+ return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
}
-static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct mt9m111 *mt9m111 = to_mt9m111(client);
- int data;
+ struct mt9m111 *mt9m111 = container_of(ctrl->handler,
+ struct mt9m111, hdl);
switch (ctrl->id) {
case V4L2_CID_VFLIP:
- if (mt9m111->context == HIGHPOWER)
- data = reg_read(READ_MODE_B);
- else
- data = reg_read(READ_MODE_A);
-
- if (data < 0)
- return -EIO;
- ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS);
- break;
- case V4L2_CID_HFLIP:
- if (mt9m111->context == HIGHPOWER)
- data = reg_read(READ_MODE_B);
- else
- data = reg_read(READ_MODE_A);
-
- if (data < 0)
- return -EIO;
- ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
- break;
- case V4L2_CID_GAIN:
- data = mt9m111_get_global_gain(client);
- if (data < 0)
- return data;
- ctrl->value = data;
- break;
- case V4L2_CID_EXPOSURE_AUTO:
- ctrl->value = mt9m111->autoexposure;
- break;
- case V4L2_CID_AUTO_WHITE_BALANCE:
- ctrl->value = mt9m111->autowhitebalance;
- break;
- }
- return 0;
-}
-
-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);
- const struct v4l2_queryctrl *qctrl;
- int ret;
-
- qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
- if (!qctrl)
- return -EINVAL;
-
- switch (ctrl->id) {
- case V4L2_CID_VFLIP:
- mt9m111->vflip = ctrl->value;
- ret = mt9m111_set_flip(client, ctrl->value,
+ return mt9m111_set_flip(mt9m111, ctrl->val,
MT9M111_RMB_MIRROR_ROWS);
- break;
case V4L2_CID_HFLIP:
- mt9m111->hflip = ctrl->value;
- ret = mt9m111_set_flip(client, ctrl->value,
+ return mt9m111_set_flip(mt9m111, ctrl->val,
MT9M111_RMB_MIRROR_COLS);
- break;
case V4L2_CID_GAIN:
- ret = mt9m111_set_global_gain(client, ctrl->value);
- break;
+ return mt9m111_set_global_gain(mt9m111, ctrl->val);
case V4L2_CID_EXPOSURE_AUTO:
- ret = mt9m111_set_autoexposure(client, ctrl->value);
- break;
+ return mt9m111_set_autoexposure(mt9m111, ctrl->val);
case V4L2_CID_AUTO_WHITE_BALANCE:
- ret = mt9m111_set_autowhitebalance(client, ctrl->value);
- break;
- default:
- ret = -EINVAL;
+ return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
}
- return ret;
+ return -EINVAL;
}
-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);
+ v4l2_ctrl_s_ctrl(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);
+ v4l2_ctrl_handler_setup(&mt9m111->hdl);
}
-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);
- if (!ret)
- ret = mt9m111_reset(client);
+ ret = mt9m111_enable(mt9m111);
if (!ret)
- ret = mt9m111_set_context(client, mt9m111->context);
+ ret = mt9m111_reset(mt9m111);
if (!ret)
- ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure);
+ ret = mt9m111_set_context(mt9m111, mt9m111->context);
if (ret)
dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
return ret;
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;
+ mt9m111->lastpage = -1;
data = reg_read(CHIP_VERSION);
dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
break;
default:
- ret = -ENODEV;
dev_err(&client->dev,
"No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
data);
- goto ei2c;
+ return -ENODEV;
+ }
+
+ ret = mt9m111_init(mt9m111);
+ if (ret)
+ return ret;
+ return v4l2_ctrl_handler_setup(&mt9m111->hdl);
+}
+
+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);
+ }
}
- ret = mt9m111_init(client);
+ /* Update the power count. */
+ mt9m111->power_count += on ? 1 : -1;
+ WARN_ON(mt9m111->power_count < 0);
-ei2c:
+out:
+ mutex_unlock(&mt9m111->power_lock);
return ret;
}
+static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = {
+ .s_ctrl = mt9m111_s_ctrl,
+};
+
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,
return 0;
}
+static int mt9m111_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+
+ cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
+ V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
+ V4L2_MBUS_DATA_ACTIVE_HIGH;
+ cfg->type = V4L2_MBUS_PARALLEL;
+ cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+ return 0;
+}
+
static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
.s_mbus_fmt = mt9m111_s_fmt,
.g_mbus_fmt = mt9m111_g_fmt,
.g_crop = mt9m111_g_crop,
.cropcap = mt9m111_cropcap,
.enum_mbus_fmt = mt9m111_enum_fmt,
+ .g_mbus_config = mt9m111_g_mbus_config,
};
static struct v4l2_subdev_ops mt9m111_subdev_ops = {
return -ENOMEM;
v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
+ v4l2_ctrl_handler_init(&mt9m111->hdl, 5);
+ v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
+ V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+ mt9m111->gain = v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
+ V4L2_CID_GAIN, 0, 63 * 2 * 2, 1, 32);
+ v4l2_ctrl_new_std_menu(&mt9m111->hdl,
+ &mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
+ V4L2_EXPOSURE_AUTO);
+ mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
+ if (mt9m111->hdl.error) {
+ int err = mt9m111->hdl.error;
- /* Second stage probe - when a capture adapter is there */
- icd->ops = &mt9m111_ops;
+ kfree(mt9m111);
+ return err;
+ }
+ /* Second stage probe - when a capture adapter is there */
mt9m111->rect.left = MT9M111_MIN_DARK_COLS;
mt9m111->rect.top = MT9M111_MIN_DARK_ROWS;
mt9m111->rect.width = MT9M111_MAX_WIDTH;
ret = mt9m111_video_probe(icd, client);
if (ret) {
- icd->ops = NULL;
+ v4l2_ctrl_handler_free(&mt9m111->hdl);
kfree(mt9m111);
}
static int mt9m111_remove(struct i2c_client *client)
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
- struct soc_camera_device *icd = client->dev.platform_data;
- icd->ops = NULL;
+ v4l2_device_unregister_subdev(&mt9m111->subdev);
+ v4l2_ctrl_handler_free(&mt9m111->hdl);
kfree(mt9m111);
return 0;
projects / mirror_ubuntu-artful-kernel.git / blobdiff