diff options
Diffstat (limited to 'drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c')
| -rw-r--r-- | drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index 9243306e2aa9..1520211e7418 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -232,6 +232,18 @@ static const struct rzg2l_csi2_format rzg2l_csi2_formats[] = { { .code = MEDIA_BUS_FMT_SGBRG8_1X8, .bpp = 8, }, { .code = MEDIA_BUS_FMT_SGRBG8_1X8, .bpp = 8, }, { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SBGGR10_1X10, .bpp = 10, }, + { .code = MEDIA_BUS_FMT_SGBRG10_1X10, .bpp = 10, }, + { .code = MEDIA_BUS_FMT_SGRBG10_1X10, .bpp = 10, }, + { .code = MEDIA_BUS_FMT_SRGGB10_1X10, .bpp = 10, }, + { .code = MEDIA_BUS_FMT_SBGGR12_1X12, .bpp = 12, }, + { .code = MEDIA_BUS_FMT_SGBRG12_1X12, .bpp = 12, }, + { .code = MEDIA_BUS_FMT_SGRBG12_1X12, .bpp = 12, }, + { .code = MEDIA_BUS_FMT_SRGGB12_1X12, .bpp = 12, }, + { .code = MEDIA_BUS_FMT_SBGGR14_1X14, .bpp = 14, }, + { .code = MEDIA_BUS_FMT_SGBRG14_1X14, .bpp = 14, }, + { .code = MEDIA_BUS_FMT_SGRBG14_1X14, .bpp = 14, }, + { .code = MEDIA_BUS_FMT_SRGGB14_1X14, .bpp = 14, }, }; static inline struct rzg2l_csi2 *sd_to_csi2(struct v4l2_subdev *sd) @@ -282,15 +294,18 @@ static int rzg2l_csi2_calc_mbps(struct rzg2l_csi2 *csi2) const struct rzg2l_csi2_format *format; const struct v4l2_mbus_framefmt *fmt; struct v4l2_subdev_state *state; - struct v4l2_ctrl *ctrl; + struct media_pad *remote_pad; u64 mbps; + s64 ret; - /* Read the pixel rate control from remote. */ - ctrl = v4l2_ctrl_find(source->ctrl_handler, V4L2_CID_PIXEL_RATE); - if (!ctrl) { - dev_err(csi2->dev, "no pixel rate control in subdev %s\n", - source->name); - return -EINVAL; + if (!csi2->remote_source) + return -ENODEV; + + remote_pad = media_pad_remote_pad_unique(&csi2->pads[RZG2L_CSI2_SINK]); + if (IS_ERR(remote_pad)) { + dev_err(csi2->dev, "can't get source pad of %s (%ld)\n", + csi2->remote_source->name, PTR_ERR(remote_pad)); + return PTR_ERR(remote_pad); } state = v4l2_subdev_lock_and_get_active_state(&csi2->subdev); @@ -298,12 +313,16 @@ static int rzg2l_csi2_calc_mbps(struct rzg2l_csi2 *csi2) format = rzg2l_csi2_code_to_fmt(fmt->code); v4l2_subdev_unlock_state(state); - /* - * Calculate hsfreq in Mbps - * hsfreq = (pixel_rate * bits_per_sample) / number_of_lanes - */ - mbps = v4l2_ctrl_g_ctrl_int64(ctrl) * format->bpp; - do_div(mbps, csi2->lanes * 1000000); + /* Read the link frequency from remote subdevice. */ + ret = v4l2_get_link_freq(remote_pad, format->bpp, csi2->lanes * 2); + if (ret < 0) { + dev_err(csi2->dev, "can't retrieve link freq from subdev %s\n", + source->name); + return -EINVAL; + } + + mbps = ret * 2; + do_div(mbps, 1000000); return mbps; } |