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authorVladimir Barinov <vladimir.barinov@cogentembedded.com>2018-01-19 21:11:01 +0300
committerVladimir Barinov <vladimir.barinov@cogentembedded.com>2018-01-19 21:11:01 +0300
commitfe44bc9356d1a058663367ed9e1416215d3fcd43 (patch)
tree803441bbec195acb6fd4d2c938700c475bb21256 /meta-rcar-gen3-adas/recipes-kernel
parent87b938882b4c672c775c7a0908f4a8b711a16c95 (diff)
LVDS cameras: fix MAX96705+AP0101 cameras
1) Fix AP0101+MAX96705 cameras by control FSINC These cameras require GMSL inititialization only with FSYNC disabled 2) add more module options: gpio_resetb and active_low_resetb 3) change automatic buffer fsync_mode_default to static
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel')
-rw-r--r--meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0030-Gen3-LVDS-cameras.patch50
1 files changed, 33 insertions, 17 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0030-Gen3-LVDS-cameras.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0030-Gen3-LVDS-cameras.patch
index 00928d1..9ddbe27 100644
--- a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0030-Gen3-LVDS-cameras.patch
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0030-Gen3-LVDS-cameras.patch
@@ -15,7 +15,7 @@ Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
drivers/media/i2c/soc_camera/ap0101_ar014x.h | 28 +
drivers/media/i2c/soc_camera/ar0132.c | 581 +++++++++++
drivers/media/i2c/soc_camera/ar0132.h | 213 ++++
- drivers/media/i2c/soc_camera/max9286.c | 672 +++++++++++++
+ drivers/media/i2c/soc_camera/max9286.c | 688 +++++++++++++
drivers/media/i2c/soc_camera/max9286.h | 244 +++++
drivers/media/i2c/soc_camera/ov10635.c | 758 ++++++++++++++
drivers/media/i2c/soc_camera/ov10635.h | 1139 +++++++++++++++++++++
@@ -34,7 +34,7 @@ Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
drivers/media/platform/soc_camera/soc_mediabus.c | 16 +
include/media/drv-intf/soc_mediabus.h | 3 +
include/media/soc_camera.h | 1 +
- 25 files changed, 7755 insertions(+), 109 deletions(-)
+ 25 files changed, 7771 insertions(+), 109 deletions(-)
create mode 100644 drivers/media/i2c/soc_camera/ap0101_ar014x.c
create mode 100644 drivers/media/i2c/soc_camera/ap0101_ar014x.h
create mode 100644 drivers/media/i2c/soc_camera/ar0132.c
@@ -1515,10 +1515,10 @@ index 0000000..bcee0e5
+};
diff --git a/drivers/media/i2c/soc_camera/max9286.c b/drivers/media/i2c/soc_camera/max9286.c
new file mode 100644
-index 0000000..20ef2de
+index 0000000..8a62b91
--- /dev/null
+++ b/drivers/media/i2c/soc_camera/max9286.c
-@@ -0,0 +1,672 @@
+@@ -0,0 +1,688 @@
+/*
+ * MAXIM max9286 GMSL driver
+ *
@@ -1580,6 +1580,8 @@ index 0000000..20ef2de
+ struct regulator *poc_supply[4]; /* PoC power supply */
+};
+
++static char fsync_mode_default[20] = "manual"; /* manual, automatic, semi-automatic, external */
++
+static int conf_link;
+module_param(conf_link, int, 0644);
+MODULE_PARM_DESC(conf_link, " Force configuration link. Used only if robust firmware flashing required (f.e. recovery)");
@@ -1604,6 +1606,14 @@ index 0000000..20ef2de
+module_param(vsync, int, 0644);
+MODULE_PARM_DESC(vsync, " VSYNC invertion (default: 1 - inverted) */");
+
++static int gpio_resetb;
++module_param(gpio_resetb, int, 0644);
++MODULE_PARM_DESC(gpio_resetb, " Serializer GPIO reset (default: 0 - not used) */");
++
++static int active_low_resetb;
++module_param(active_low_resetb, int, 0644);
++MODULE_PARM_DESC(active_low_resetb, " Serializer GPIO reset level (default: 0 - active high) */");
++
+static char* ser_name(int id)
+{
+ switch (id) {
@@ -1661,6 +1671,16 @@ index 0000000..20ef2de
+ reg8_write(client, 0x15, 0x9b); /* enable CSI output, VC is set accordingly to Link number, BIT7 magic must be set */
+ reg8_write(client, 0x1b, priv->links_mask); /* enable equalizer for CAMs */
+ usleep_range(5000, 5500); /* wait 2ms after any change of reverse channel settings */
++
++ if (strcmp(priv->fsync_mode, "manual") == 0) {
++ reg8_write(client, 0x01, 0x00); /* manual: FRAMESYNC set manually via [0x06:0x08] regs */
++ } else if (strcmp(priv->fsync_mode, "automatic") == 0) {
++ reg8_write(client, 0x01, 0x02); /* automatic: FRAMESYNC taken from the slowest Link */
++ } else if (strcmp(priv->fsync_mode, "semi-automatic") == 0) {
++ reg8_write(client, 0x01, 0x01); /* semi-automatic: FRAMESYNC taken from the slowest Link */
++ } else if (strcmp(priv->fsync_mode, "external") == 0) {
++ reg8_write(client, 0x01, 0xc0); /* ECU (aka MCU) based FrameSync using GPI-to-GPO */
++ }
+}
+
+static int max9286_reverse_channel_setup(struct i2c_client *client, int idx)
@@ -1771,20 +1791,12 @@ index 0000000..20ef2de
+ dev_err(&client->dev, "CSI2 lanes number is invalid (%d)\n", priv->lanes);
+ }
+
++ /* Start GMSL initialization with FSYNC disabled. This is required for some odd LVDS cameras */
++ reg8_write(client, 0x01, 0xc0); /* ECU (aka MCU) based FrameSync using GPI-to-GPO */
+ reg8_write(client, 0x06, priv->fsync_period & 0xff);
+ reg8_write(client, 0x07, (priv->fsync_period >> 8) & 0xff);
+ reg8_write(client, 0x08, priv->fsync_period >> 16);
+
-+ if (strcmp(priv->fsync_mode, "manual") == 0) {
-+ reg8_write(client, 0x01, 0x00); /* manual: FRAMESYNC set manually via [0x06:0x08] regs */
-+ } else if (strcmp(priv->fsync_mode, "automatic") == 0) {
-+ reg8_write(client, 0x01, 0x02); /* automatic: FRAMESYNC taken from the slowest Link */
-+ } else if (strcmp(priv->fsync_mode, "semi-automatic") == 0) {
-+ reg8_write(client, 0x01, 0x01); /* semi-automatic: FRAMESYNC taken from the slowest Link */
-+ } else if (strcmp(priv->fsync_mode, "external") == 0) {
-+ reg8_write(client, 0x01, 0xc0); /* ECU (aka MCU) based FrameSync using GPI-to-GPO */
-+ }
-+
+ reg8_write(client, 0x63, 0); /* disable overlap window */
+ reg8_write(client, 0x64, 0);
+ reg8_write(client, 0x0c, 0x91 | (priv->vsync ? BIT(3) : 0) | (priv->hsync ? BIT(2) : 0)); /* enable HS/VS encoding, use D14/15 for HS/VS, invert HS/VS */
@@ -1975,7 +1987,7 @@ index 0000000..20ef2de
+ struct property *prop;
+ int err, pwen, i;
+ int sensor_delay, gpio0 = 1, gpio1 = 1;
-+ char fsync_mode_default[20] = "manual"; /* manual, automatic, semi-automatic, external */
++
+ u8 val = 0;
+
+ if (of_property_read_u32(np, "maxim,links", &priv->links))
@@ -2009,9 +2021,9 @@ index 0000000..20ef2de
+ priv->gpio_resetb = -1;
+ } else {
+ if (of_property_read_bool(np, "maxim,resetb-active-high"))
-+ priv->active_low_resetb = false;
++ priv->active_low_resetb = 0;
+ else
-+ priv->active_low_resetb = true;
++ priv->active_low_resetb = 1;
+ }
+
+ if (!of_property_read_u32(np, "maxim,sensor_delay", &sensor_delay))
@@ -2047,6 +2059,10 @@ index 0000000..20ef2de
+ priv->hsync = hsync;
+ if (!vsync)
+ priv->vsync = vsync;
++ if (gpio_resetb)
++ priv->gpio_resetb = gpio_resetb;
++ if (active_low_resetb)
++ priv->active_low_resetb = active_low_resetb;
+
+ for (i = 0; i < priv->links; i++) {
+ endpoint = of_graph_get_next_endpoint(np, endpoint);