diff options
Diffstat (limited to 'drivers/media/platform/atmel/atmel-isc-base.c')
| -rw-r--r-- | drivers/media/platform/atmel/atmel-isc-base.c | 94 |
1 files changed, 75 insertions, 19 deletions
diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c index c1c776b348a9..d7669a03e98e 100644 --- a/drivers/media/platform/atmel/atmel-isc-base.c +++ b/drivers/media/platform/atmel/atmel-isc-base.c @@ -73,6 +73,9 @@ const struct isc_format controller_formats[] = { { .fourcc = V4L2_PIX_FMT_GREY, }, + { + .fourcc = V4L2_PIX_FMT_Y10, + }, }; /* This is a list of formats that the ISC can receive as *input* */ @@ -164,6 +167,12 @@ struct isc_format formats_list[] = { .mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE, .pfe_cfg0_bps = ISC_PFE_CFG0_BPS_EIGHT, }, + { + .fourcc = V4L2_PIX_FMT_Y10, + .mbus_code = MEDIA_BUS_FMT_Y10_1X10, + .pfe_cfg0_bps = ISC_PFG_CFG0_BPS_TEN, + }, + }; /* Gamma table with gamma 1/2.2 */ @@ -211,6 +220,10 @@ const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES] = { #define ISC_IS_FORMAT_RAW(mbus_code) \ (((mbus_code) & 0xf000) == 0x3000) +#define ISC_IS_FORMAT_GREY(mbus_code) \ + (((mbus_code) == MEDIA_BUS_FMT_Y10_1X10) | \ + (((mbus_code) == MEDIA_BUS_FMT_Y8_1X8))) + static inline void isc_update_awb_ctrls(struct isc_device *isc) { struct isc_ctrls *ctrls = &isc->ctrls; @@ -1003,6 +1016,7 @@ static int isc_try_validate_formats(struct isc_device *isc) rgb = true; break; case V4L2_PIX_FMT_GREY: + case V4L2_PIX_FMT_Y10: ret = 0; grey = true; break; @@ -1010,34 +1024,29 @@ static int isc_try_validate_formats(struct isc_device *isc) /* any other different formats are not supported */ ret = -EINVAL; } - - /* we cannot output RAW/Grey if we do not receive RAW */ - if ((bayer || grey) && - !ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) - return -EINVAL; - v4l2_dbg(1, debug, &isc->v4l2_dev, "Format validation, requested rgb=%u, yuv=%u, grey=%u, bayer=%u\n", rgb, yuv, grey, bayer); + /* we cannot output RAW if we do not receive RAW */ + if ((bayer) && !ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) + return -EINVAL; + + /* we cannot output GREY if we do not receive RAW/GREY */ + if (grey && !ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code) && + !ISC_IS_FORMAT_GREY(isc->try_config.sd_format->mbus_code)) + return -EINVAL; + return ret; } /* * Configures the RLP and DMA modules, depending on the output format * configured for the ISC. - * If direct_dump == true, just dump raw data 8 bits. + * If direct_dump == true, just dump raw data 8/16 bits depending on format. */ static int isc_try_configure_rlp_dma(struct isc_device *isc, bool direct_dump) { - if (direct_dump) { - isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT8; - isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED8; - isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; - isc->try_config.bpp = 16; - return 0; - } - switch (isc->try_config.fourcc) { case V4L2_PIX_FMT_SBGGR8: case V4L2_PIX_FMT_SGBRG8: @@ -1115,9 +1124,23 @@ static int isc_try_configure_rlp_dma(struct isc_device *isc, bool direct_dump) isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; isc->try_config.bpp = 8; break; + case V4L2_PIX_FMT_Y10: + isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DATY10; + isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; + isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; + isc->try_config.bpp = 16; + break; default: return -EINVAL; } + + if (direct_dump) { + isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT8; + isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED8; + isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; + return 0; + } + return 0; } @@ -1187,13 +1210,44 @@ static int isc_try_configure_pipeline(struct isc_device *isc) return 0; } +static void isc_try_fse(struct isc_device *isc, + struct v4l2_subdev_pad_config *pad_cfg) +{ + int ret; + struct v4l2_subdev_frame_size_enum fse = {}; + + /* + * If we do not know yet which format the subdev is using, we cannot + * do anything. + */ + if (!isc->try_config.sd_format) + return; + + fse.code = isc->try_config.sd_format->mbus_code; + fse.which = V4L2_SUBDEV_FORMAT_TRY; + + ret = v4l2_subdev_call(isc->current_subdev->sd, pad, enum_frame_size, + pad_cfg, &fse); + /* + * Attempt to obtain format size from subdev. If not available, + * just use the maximum ISC can receive. + */ + if (ret) { + pad_cfg->try_crop.width = ISC_MAX_SUPPORT_WIDTH; + pad_cfg->try_crop.height = ISC_MAX_SUPPORT_HEIGHT; + } else { + pad_cfg->try_crop.width = fse.max_width; + pad_cfg->try_crop.height = fse.max_height; + } +} + static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f, u32 *code) { int i; struct isc_format *sd_fmt = NULL, *direct_fmt = NULL; struct v4l2_pix_format *pixfmt = &f->fmt.pix; - struct v4l2_subdev_pad_config pad_cfg; + struct v4l2_subdev_pad_config pad_cfg = {}; struct v4l2_subdev_format format = { .which = V4L2_SUBDEV_FORMAT_TRY, }; @@ -1290,6 +1344,9 @@ static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f, if (ret) goto isc_try_fmt_err; + /* Obtain frame sizes if possible to have crop requirements ready */ + isc_try_fse(isc, &pad_cfg); + v4l2_fill_mbus_format(&format.format, pixfmt, mbus_code); ret = v4l2_subdev_call(isc->current_subdev->sd, pad, set_fmt, &pad_cfg, &format); @@ -1414,6 +1471,7 @@ static int isc_enum_framesizes(struct file *file, void *fh, { struct isc_device *isc = video_drvdata(file); struct v4l2_subdev_frame_size_enum fse = { + .code = isc->config.sd_format->mbus_code, .index = fsize->index, .which = V4L2_SUBDEV_FORMAT_ACTIVE, }; @@ -1436,8 +1494,6 @@ static int isc_enum_framesizes(struct file *file, void *fh, if (ret) return ret; - fse.code = isc->config.sd_format->mbus_code; - fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; fsize->discrete.width = fse.max_width; fsize->discrete.height = fse.max_height; @@ -1450,6 +1506,7 @@ static int isc_enum_frameintervals(struct file *file, void *fh, { struct isc_device *isc = video_drvdata(file); struct v4l2_subdev_frame_interval_enum fie = { + .code = isc->config.sd_format->mbus_code, .index = fival->index, .width = fival->width, .height = fival->height, @@ -1474,7 +1531,6 @@ static int isc_enum_frameintervals(struct file *file, void *fh, if (ret) return ret; - fie.code = isc->config.sd_format->mbus_code; fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; fival->discrete = fie.interval; |