[PATCH v3 05/12] gpu: ipu-v3: set correct full sensor frame for PAL/NTSC

[Steve Longerbeam]

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 at mentor.com>

---

v3: no changes
v2: no changes
---
 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 06631ac..641ed76 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