lkml.org 
[lkml]   [2016]   [Jul]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 10/16] gpu: ipu-v3: set correct full sensor frame for PAL/NTSC
Date
Set the sensor full frame based on whether the passed in mbus_fmt
is 720x480 (NTSC) or 720x576 (PAL).

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
drivers/gpu/ipu-v3/ipu-csi.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c
index 336dc06..07c7091 100644
--- a/drivers/gpu/ipu-v3/ipu-csi.c
+++ b/drivers/gpu/ipu-v3/ipu-csi.c
@@ -365,10 +365,14 @@ int ipu_csi_init_interface(struct ipu_csi *csi,
{
struct ipu_csi_bus_config cfg;
unsigned long flags;
- u32 data = 0;
+ u32 width, height, data = 0;

fill_csi_bus_cfg(&cfg, mbus_cfg, mbus_fmt);

+ /* set default sensor frame width and height */
+ width = mbus_fmt->width;
+ height = mbus_fmt->height;
+
/* Set the CSI_SENS_CONF register remaining fields */
data |= cfg.data_width << CSI_SENS_CONF_DATA_WIDTH_SHIFT |
cfg.data_fmt << CSI_SENS_CONF_DATA_FMT_SHIFT |
@@ -386,11 +390,6 @@ int ipu_csi_init_interface(struct ipu_csi *csi,

ipu_csi_write(csi, data, CSI_SENS_CONF);

- /* Setup sensor frame size */
- ipu_csi_write(csi,
- (mbus_fmt->width - 1) | ((mbus_fmt->height - 1) << 16),
- CSI_SENS_FRM_SIZE);
-
/* Set CCIR registers */

switch (cfg.clk_mode) {
@@ -408,11 +407,12 @@ int ipu_csi_init_interface(struct ipu_csi *csi,
* Field1BlankEnd = 0x7, Field1BlankStart = 0x3,
* Field1ActiveEnd = 0x5, Field1ActiveStart = 0x1
*/
+ height = 625; /* framelines for PAL */
+
ipu_csi_write(csi, 0x40596 | CSI_CCIR_ERR_DET_EN,
CSI_CCIR_CODE_1);
ipu_csi_write(csi, 0xD07DF, CSI_CCIR_CODE_2);
ipu_csi_write(csi, 0xFF0000, CSI_CCIR_CODE_3);
-
} else if (mbus_fmt->width == 720 && mbus_fmt->height == 480) {
/*
* NTSC case
@@ -422,6 +422,8 @@ int ipu_csi_init_interface(struct ipu_csi *csi,
* Field1BlankEnd = 0x6, Field1BlankStart = 0x2,
* Field1ActiveEnd = 0x4, Field1ActiveStart = 0
*/
+ height = 525; /* framelines for NTSC */
+
ipu_csi_write(csi, 0xD07DF | CSI_CCIR_ERR_DET_EN,
CSI_CCIR_CODE_1);
ipu_csi_write(csi, 0x40596, CSI_CCIR_CODE_2);
@@ -447,6 +449,10 @@ int ipu_csi_init_interface(struct ipu_csi *csi,
break;
}

+ /* Setup sensor frame size */
+ ipu_csi_write(csi, (width - 1) | ((height - 1) << 16),
+ CSI_SENS_FRM_SIZE);
+
dev_dbg(csi->ipu->dev, "CSI_SENS_CONF = 0x%08X\n",
ipu_csi_read(csi, CSI_SENS_CONF));
dev_dbg(csi->ipu->dev, "CSI_ACT_FRM_SIZE = 0x%08X\n",
--
1.9.1
\
 
 \ /
  Last update: 2016-07-08 01:41    [W:0.389 / U:2.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site