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[16/20] adv748x: add translation from pixelcode to CSI-2 datatype

Message ID 20170811095703.6170-17-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show

Commit Message

Niklas Söderlund Aug. 11, 2017, 9:56 a.m. UTC 
This will be needed to fill out the frame descriptor information
correctly.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/media/i2c/adv748x/adv748x-csi2.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
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Patch

diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index b76c2be8da4271fb..a77069fc1adc1eca 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -18,6 +18,28 @@ 
 
 #include "adv748x.h"
 
+struct adv748x_csi2_format {
+	unsigned int code;
+	unsigned int datatype;
+};
+
+static const struct adv748x_csi2_format adv748x_csi2_formats[] = {
+	{ .code = MEDIA_BUS_FMT_RGB888_1X24,    .datatype = 0x24, },
+	{ .code = MEDIA_BUS_FMT_UYVY8_1X16,     .datatype = 0x1e, },
+	{ .code = MEDIA_BUS_FMT_UYVY8_2X8,      .datatype = 0x1e, },
+	{ .code = MEDIA_BUS_FMT_YUYV10_2X10,    .datatype = 0x1e, },
+};
+
+static unsigned int adv748x_csi2_code_to_datatype(unsigned int code)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(adv748x_csi2_formats); i++)
+		if (adv748x_csi2_formats[i].code == code)
+			return adv748x_csi2_formats[i].datatype;
+	return 0;
+}
+
 static bool is_txa(struct adv748x_csi2 *tx)
 {
 	return tx == &tx->state->txa;