diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0434-media-i2c-max9286-parse-crossbard-from-cmdline.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0434-media-i2c-max9286-parse-crossbard-from-cmdline.patch | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0434-media-i2c-max9286-parse-crossbard-from-cmdline.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0434-media-i2c-max9286-parse-crossbard-from-cmdline.patch new file mode 100644 index 00000000..2bd283b3 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0434-media-i2c-max9286-parse-crossbard-from-cmdline.patch @@ -0,0 +1,154 @@ +From 164a97c4370a29ee27145c5d1c44fe03ec2ce7b1 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Wed, 20 Nov 2019 16:41:12 +0300 +Subject: [PATCH] media: i2c: max9286: parse crossbard from cmdline + +This allows to change crossbar by command line parameter + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/media/i2c/soc_camera/max9286.c | 93 +++++++++++++++++++--------------- + 1 file changed, 51 insertions(+), 42 deletions(-) + +diff --git a/drivers/media/i2c/soc_camera/max9286.c b/drivers/media/i2c/soc_camera/max9286.c +index 3184ff1..b185566 100644 +--- a/drivers/media/i2c/soc_camera/max9286.c ++++ b/drivers/media/i2c/soc_camera/max9286.c +@@ -56,6 +56,7 @@ struct max9286_priv { + int dbl; + int dt; + int hsgen; ++ char cb[16]; + int hts; + int vts; + int hts_delay; +@@ -140,6 +141,10 @@ static int switchin = 0; + module_param(switchin, int, 0644); + MODULE_PARM_DESC(switchin, " COAX SWITCH IN+ and IN- (default: 0 - not switched)"); + ++static long crossbar = 0xba9876543210; ++module_param(crossbar, long, 0644); ++MODULE_PARM_DESC(crossbar, " Crossbar setup (default: ba9876543210 - reversed)"); ++ + enum { + RGB888_DT = 0, + RGB565_DT, +@@ -421,54 +426,53 @@ static void max9286_gmsl_link_setup(struct i2c_client *client, int idx) + switch (priv->dt) { + case YUV8_DT: + /* setup crossbar for YUV8/RAW8: reverse DVP bus */ +- reg8_write(client, 0x20, 7); +- reg8_write(client, 0x21, 6); +- reg8_write(client, 0x22, 5); +- reg8_write(client, 0x23, 4); +- reg8_write(client, 0x24, 3); +- reg8_write(client, 0x25, 2); +- reg8_write(client, 0x26, 1); +- reg8_write(client, 0x27, 0); ++ reg8_write(client, 0x20, priv->cb[7]); ++ reg8_write(client, 0x21, priv->cb[6]); ++ reg8_write(client, 0x22, priv->cb[5]); ++ reg8_write(client, 0x23, priv->cb[4]); ++ reg8_write(client, 0x24, priv->cb[3]); ++ reg8_write(client, 0x25, priv->cb[2]); ++ reg8_write(client, 0x26, priv->cb[1]); ++ reg8_write(client, 0x27, priv->cb[0]); + + /* this is second byte if DBL=1 */ +- reg8_write(client, 0x30, 23); +- reg8_write(client, 0x31, 22); +- reg8_write(client, 0x32, 21); +- reg8_write(client, 0x33, 20); +- reg8_write(client, 0x34, 19); +- reg8_write(client, 0x35, 18); +- reg8_write(client, 0x36, 17); +- reg8_write(client, 0x37, 16); +- ++ reg8_write(client, 0x30, priv->cb[7] + 16); ++ reg8_write(client, 0x31, priv->cb[6] + 16); ++ reg8_write(client, 0x32, priv->cb[5] + 16); ++ reg8_write(client, 0x33, priv->cb[4] + 16); ++ reg8_write(client, 0x34, priv->cb[3] + 16); ++ reg8_write(client, 0x35, priv->cb[2] + 16); ++ reg8_write(client, 0x36, priv->cb[1] + 16); ++ reg8_write(client, 0x37, priv->cb[0] + 16); + break; + case RAW12_DT: + /* setup crossbar for RAW12: reverse DVP bus */ +- reg8_write(client, 0x20, 11); +- reg8_write(client, 0x21, 10); +- reg8_write(client, 0x22, 9); +- reg8_write(client, 0x23, 8); +- reg8_write(client, 0x24, 7); +- reg8_write(client, 0x25, 6); +- reg8_write(client, 0x26, 5); +- reg8_write(client, 0x27, 4); +- reg8_write(client, 0x28, 3); +- reg8_write(client, 0x29, 2); +- reg8_write(client, 0x2a, 1); +- reg8_write(client, 0x2b, 0); ++ reg8_write(client, 0x20, priv->cb[11]); ++ reg8_write(client, 0x21, priv->cb[10]); ++ reg8_write(client, 0x22, priv->cb[9]); ++ reg8_write(client, 0x23, priv->cb[8]); ++ reg8_write(client, 0x24, priv->cb[7]); ++ reg8_write(client, 0x25, priv->cb[6]); ++ reg8_write(client, 0x26, priv->cb[5]); ++ reg8_write(client, 0x27, priv->cb[4]); ++ reg8_write(client, 0x28, priv->cb[3]); ++ reg8_write(client, 0x29, priv->cb[2]); ++ reg8_write(client, 0x2a, priv->cb[1]); ++ reg8_write(client, 0x2b, priv->cb[0]); + + /* this is second byte if DBL=1 */ +- reg8_write(client, 0x30, 27); +- reg8_write(client, 0x31, 26); +- reg8_write(client, 0x32, 25); +- reg8_write(client, 0x33, 24); +- reg8_write(client, 0x34, 23); +- reg8_write(client, 0x35, 22); +- reg8_write(client, 0x36, 21); +- reg8_write(client, 0x37, 20); +- reg8_write(client, 0x38, 19); +- reg8_write(client, 0x39, 18); +- reg8_write(client, 0x3a, 17); +- reg8_write(client, 0x3b, 16); ++ reg8_write(client, 0x30, priv->cb[11] + 16); ++ reg8_write(client, 0x31, priv->cb[10] + 16); ++ reg8_write(client, 0x32, priv->cb[9] + 16); ++ reg8_write(client, 0x33, priv->cb[8] + 16); ++ reg8_write(client, 0x34, priv->cb[7] + 16); ++ reg8_write(client, 0x35, priv->cb[6] + 16); ++ reg8_write(client, 0x36, priv->cb[5] + 16); ++ reg8_write(client, 0x37, priv->cb[4] + 16); ++ reg8_write(client, 0x38, priv->cb[3] + 16); ++ reg8_write(client, 0x39, priv->cb[2] + 16); ++ reg8_write(client, 0x3a, priv->cb[1] + 16); ++ reg8_write(client, 0x3b, priv->cb[0] + 16); + + if (!priv->bws && priv->dbl) + dev_err(&client->dev, " BWS must be 27/32-bit for RAW12 in DBL mode\n"); +@@ -733,7 +737,6 @@ static int max9286_parse_dt(struct i2c_client *client) + if (of_property_read_u32(np, "maxim,switchin", &priv->switchin)) + priv->switchin = 0; + +- + /* module params override dts */ + if (him) + priv->him = him; +@@ -766,6 +769,12 @@ static int max9286_parse_dt(struct i2c_client *client) + if (switchin) + priv->switchin = switchin; + ++ /* parse crossbar setup */ ++ for (i = 0; i < 16; i++) { ++ priv->cb[i] = crossbar % 16; ++ crossbar /= 16; ++ } ++ + for (i = 0; i < priv->links; i++) { + endpoint = of_graph_get_next_endpoint(np, endpoint); + if (!endpoint) +-- +2.7.4 + |