diff options
Diffstat (limited to 'drivers/media/video/mt9m111.c')
-rw-r--r-- | drivers/media/video/mt9m111.c | 121 |
1 files changed, 88 insertions, 33 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index da0b2d553fd0..c89ea41fe259 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -1,5 +1,5 @@ /* - * Driver for MT9M111 CMOS Image Sensor from Micron + * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron * * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> * @@ -19,7 +19,7 @@ #include <media/soc_camera.h> /* - * mt9m111 i2c address is 0x5d or 0x48 (depending on SAddr pin) + * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin) * The platform has to define i2c_board_info and call i2c_register_board_info() */ @@ -90,7 +90,7 @@ #define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b #define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) - +#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) #define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) #define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) @@ -128,9 +128,14 @@ .colorspace = _colorspace } #define RGB_FMT(_name, _depth, _fourcc) \ COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB) +#define JPG_FMT(_name, _depth, _fourcc) \ + COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_JPEG) static const struct soc_camera_data_format mt9m111_colour_formats[] = { - COL_FMT("YCrYCb 8 bit", 8, V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_JPEG), + JPG_FMT("CbYCrY 16 bit", 16, V4L2_PIX_FMT_UYVY), + JPG_FMT("CrYCbY 16 bit", 16, V4L2_PIX_FMT_VYUY), + JPG_FMT("YCbYCr 16 bit", 16, V4L2_PIX_FMT_YUYV), + JPG_FMT("YCrYCb 16 bit", 16, V4L2_PIX_FMT_YVYU), RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565), RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555), RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16), @@ -145,7 +150,7 @@ enum mt9m111_context { struct mt9m111 { struct i2c_client *client; struct soc_camera_device icd; - int model; /* V4L2_IDENT_MT9M111* codes from v4l2-chip-ident.h */ + int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */ enum mt9m111_context context; unsigned int left, top, width, height; u32 pixfmt; @@ -158,6 +163,7 @@ struct mt9m111 { 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 int reg_page_map_set(struct i2c_client *client, const u16 reg) @@ -410,9 +416,13 @@ static int mt9m111_stop_capture(struct soc_camera_device *icd) static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) { - return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + struct soc_camera_link *icl = mt9m111->client->dev.platform_data; + unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_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) @@ -438,7 +448,24 @@ static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt) case V4L2_PIX_FMT_RGB565: ret = mt9m111_setfmt_rgb565(icd); break; + case V4L2_PIX_FMT_UYVY: + mt9m111->swap_yuv_y_chromas = 0; + mt9m111->swap_yuv_cb_cr = 0; + ret = mt9m111_setfmt_yuv(icd); + break; + case V4L2_PIX_FMT_VYUY: + mt9m111->swap_yuv_y_chromas = 0; + mt9m111->swap_yuv_cb_cr = 1; + ret = mt9m111_setfmt_yuv(icd); + break; case V4L2_PIX_FMT_YUYV: + mt9m111->swap_yuv_y_chromas = 1; + mt9m111->swap_yuv_cb_cr = 0; + ret = mt9m111_setfmt_yuv(icd); + break; + case V4L2_PIX_FMT_YVYU: + mt9m111->swap_yuv_y_chromas = 1; + mt9m111->swap_yuv_cb_cr = 1; ret = mt9m111_setfmt_yuv(icd); break; default: @@ -452,8 +479,8 @@ static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt) return ret; } -static int mt9m111_set_fmt_cap(struct soc_camera_device *icd, - __u32 pixfmt, struct v4l2_rect *rect) +static int mt9m111_set_fmt(struct soc_camera_device *icd, + __u32 pixfmt, struct v4l2_rect *rect) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); int ret; @@ -473,13 +500,15 @@ static int mt9m111_set_fmt_cap(struct soc_camera_device *icd, return ret; } -static int mt9m111_try_fmt_cap(struct soc_camera_device *icd, - struct v4l2_format *f) +static int mt9m111_try_fmt(struct soc_camera_device *icd, + struct v4l2_format *f) { - if (f->fmt.pix.height > MT9M111_MAX_HEIGHT) - f->fmt.pix.height = MT9M111_MAX_HEIGHT; - if (f->fmt.pix.width > MT9M111_MAX_WIDTH) - f->fmt.pix.width = MT9M111_MAX_WIDTH; + struct v4l2_pix_format *pix = &f->fmt.pix; + + if (pix->height > MT9M111_MAX_HEIGHT) + pix->height = MT9M111_MAX_HEIGHT; + if (pix->width > MT9M111_MAX_WIDTH) + pix->width = MT9M111_MAX_WIDTH; return 0; } @@ -597,8 +626,8 @@ static struct soc_camera_ops mt9m111_ops = { .release = mt9m111_release, .start_capture = mt9m111_start_capture, .stop_capture = mt9m111_stop_capture, - .set_fmt_cap = mt9m111_set_fmt_cap, - .try_fmt_cap = mt9m111_try_fmt_cap, + .set_fmt = mt9m111_set_fmt, + .try_fmt = mt9m111_try_fmt, .query_bus_param = mt9m111_query_bus_param, .set_bus_param = mt9m111_set_bus_param, .controls = mt9m111_controls, @@ -634,18 +663,15 @@ static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask) static int mt9m111_get_global_gain(struct soc_camera_device *icd) { - unsigned int data, gain; + int data; data = reg_read(GLOBAL_GAIN); if (data >= 0) - gain = ((data & (1 << 10)) * 2) - | ((data & (1 << 9)) * 2) - | (data & 0x2f); - else - gain = data; - - return gain; + return (data & 0x2f) * (1 << ((data >> 10) & 1)) * + (1 << ((data >> 9) & 1)); + return data; } + static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain) { u16 val; @@ -679,6 +705,23 @@ static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on) return ret; } + +static int mt9m111_set_autowhitebalance(struct soc_camera_device *icd, int on) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + 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; +} + static int mt9m111_get_control(struct soc_camera_device *icd, struct v4l2_control *ctrl) { @@ -715,6 +758,9 @@ static int mt9m111_get_control(struct soc_camera_device *icd, case V4L2_CID_EXPOSURE_AUTO: ctrl->value = mt9m111->autoexposure; break; + case V4L2_CID_AUTO_WHITE_BALANCE: + ctrl->value = mt9m111->autowhitebalance; + break; } return 0; } @@ -748,6 +794,9 @@ static int mt9m111_set_control(struct soc_camera_device *icd, case V4L2_CID_EXPOSURE_AUTO: ret = mt9m111_set_autoexposure(icd, ctrl->value); break; + case V4L2_CID_AUTO_WHITE_BALANCE: + ret = mt9m111_set_autowhitebalance(icd, ctrl->value); + break; default: ret = -EINVAL; } @@ -766,6 +815,7 @@ static int mt9m111_restore_state(struct soc_camera_device *icd) mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); mt9m111_set_global_gain(icd, icd->gain); mt9m111_set_autoexposure(icd, mt9m111->autoexposure); + mt9m111_set_autowhitebalance(icd, mt9m111->autowhitebalance); return 0; } @@ -798,7 +848,7 @@ static int mt9m111_init(struct soc_camera_device *icd) if (!ret) ret = mt9m111_set_autoexposure(icd, mt9m111->autoexposure); if (ret) - dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret); + dev_err(&icd->dev, "mt9m11x init failed: %d\n", ret); return ret; } @@ -808,7 +858,7 @@ static int mt9m111_release(struct soc_camera_device *icd) ret = mt9m111_disable(icd); if (ret < 0) - dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret); + dev_err(&icd->dev, "mt9m11x release failed: %d\n", ret); return ret; } @@ -841,25 +891,30 @@ static int mt9m111_video_probe(struct soc_camera_device *icd) data = reg_read(CHIP_VERSION); switch (data) { - case 0x143a: + case 0x143a: /* MT9M111 */ mt9m111->model = V4L2_IDENT_MT9M111; - icd->formats = mt9m111_colour_formats; - icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats); + break; + case 0x148c: /* MT9M112 */ + mt9m111->model = V4L2_IDENT_MT9M112; break; default: ret = -ENODEV; dev_err(&icd->dev, - "No MT9M111 chip detected, register read %x\n", data); + "No MT9M11x chip detected, register read %x\n", data); goto ei2c; } - dev_info(&icd->dev, "Detected a MT9M111 chip ID 0x143a\n"); + icd->formats = mt9m111_colour_formats; + icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats); + + dev_info(&icd->dev, "Detected a MT9M11x chip ID %x\n", data); ret = soc_camera_video_start(icd); if (ret) goto eisis; mt9m111->autoexposure = 1; + mt9m111->autowhitebalance = 1; mt9m111->swap_rgb_even_odd = 1; mt9m111->swap_rgb_red_blue = 1; @@ -889,7 +944,7 @@ static int mt9m111_probe(struct i2c_client *client, int ret; if (!icl) { - dev_err(&client->dev, "MT9M111 driver needs platform data\n"); + dev_err(&client->dev, "MT9M11x driver needs platform data\n"); return -EINVAL; } @@ -968,6 +1023,6 @@ static void __exit mt9m111_mod_exit(void) module_init(mt9m111_mod_init); module_exit(mt9m111_mod_exit); -MODULE_DESCRIPTION("Micron MT9M111 Camera driver"); +MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver"); MODULE_AUTHOR("Robert Jarzmik"); MODULE_LICENSE("GPL"); |