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| author | Frank Schäfer <fschaefer.oss@googlemail.com> | 2012-09-23 15:28:45 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-22 11:34:12 -0200 |
| commit | d1a49eacd944308401ae0417692357dd181b665e (patch) | |
| tree | abe905c533b682ed638b29204fb912ad4d509aa5 /drivers | |
| parent | 1438be56ade16653584f70a2e2a1c11197291271 (diff) | |
| download | linux-d1a49eacd944308401ae0417692357dd181b665e.tar.gz linux-d1a49eacd944308401ae0417692357dd181b665e.tar.bz2 linux-d1a49eacd944308401ae0417692357dd181b665e.zip | |
[media] ov2640: add support for V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_RGB565_2X8_BE
This is the result of experimenting with the SpeedLink VAD Laplace webcam.
The register sequence for V4L2_MBUS_FMT_YUYV8_2X8 has been identified by
analyzing USB-logs of this device running on MS Windows.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/soc_camera/ov2640.c | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c index 30cf6d8b7b8b..66698a83bda2 100644 --- a/drivers/media/i2c/soc_camera/ov2640.c +++ b/drivers/media/i2c/soc_camera/ov2640.c @@ -586,9 +586,20 @@ static const struct regval_list ov2640_format_change_preamble_regs[] = { ENDMARKER, }; -static const struct regval_list ov2640_yuv422_regs[] = { +static const struct regval_list ov2640_yuyv_regs[] = { + { IMAGE_MODE, IMAGE_MODE_YUV422 }, + { 0xd7, 0x03 }, + { 0x33, 0xa0 }, + { 0xe5, 0x1f }, + { 0xe1, 0x67 }, + { RESET, 0x00 }, + { R_BYPASS, R_BYPASS_USE_DSP }, + ENDMARKER, +}; + +static const struct regval_list ov2640_uyvy_regs[] = { { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_YUV422 }, - { 0xD7, 0x01 }, + { 0xd7, 0x01 }, { 0x33, 0xa0 }, { 0xe1, 0x67 }, { RESET, 0x00 }, @@ -596,7 +607,15 @@ static const struct regval_list ov2640_yuv422_regs[] = { ENDMARKER, }; -static const struct regval_list ov2640_rgb565_regs[] = { +static const struct regval_list ov2640_rgb565_be_regs[] = { + { IMAGE_MODE, IMAGE_MODE_RGB565 }, + { 0xd7, 0x03 }, + { RESET, 0x00 }, + { R_BYPASS, R_BYPASS_USE_DSP }, + ENDMARKER, +}; + +static const struct regval_list ov2640_rgb565_le_regs[] = { { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_RGB565 }, { 0xd7, 0x03 }, { RESET, 0x00 }, @@ -605,7 +624,9 @@ static const struct regval_list ov2640_rgb565_regs[] = { }; static enum v4l2_mbus_pixelcode ov2640_codes[] = { + V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_UYVY8_2X8, + V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_MBUS_FMT_RGB565_2X8_LE, }; @@ -787,14 +808,22 @@ static int ov2640_set_params(struct i2c_client *client, u32 *width, u32 *height, /* select format */ priv->cfmt_code = 0; switch (code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: + dev_dbg(&client->dev, "%s: Selected cfmt RGB565 BE", __func__); + selected_cfmt_regs = ov2640_rgb565_be_regs; + break; case V4L2_MBUS_FMT_RGB565_2X8_LE: - dev_dbg(&client->dev, "%s: Selected cfmt RGB565", __func__); - selected_cfmt_regs = ov2640_rgb565_regs; + dev_dbg(&client->dev, "%s: Selected cfmt RGB565 LE", __func__); + selected_cfmt_regs = ov2640_rgb565_le_regs; + break; + case V4L2_MBUS_FMT_YUYV8_2X8: + dev_dbg(&client->dev, "%s: Selected cfmt YUYV (YUV422)", __func__); + selected_cfmt_regs = ov2640_yuyv_regs; break; default: case V4L2_MBUS_FMT_UYVY8_2X8: - dev_dbg(&client->dev, "%s: Selected cfmt YUV422", __func__); - selected_cfmt_regs = ov2640_yuv422_regs; + dev_dbg(&client->dev, "%s: Selected cfmt UYVY", __func__); + selected_cfmt_regs = ov2640_uyvy_regs; } /* reset hardware */ @@ -859,10 +888,12 @@ static int ov2640_g_fmt(struct v4l2_subdev *sd, mf->code = priv->cfmt_code; switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } @@ -879,11 +910,13 @@ static int ov2640_s_fmt(struct v4l2_subdev *sd, switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } @@ -904,11 +937,13 @@ static int ov2640_try_fmt(struct v4l2_subdev *sd, mf->field = V4L2_FIELD_NONE; switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } |