V4L/DVB (10037): m5602: add QVGA mode for the ov9650 sensor

Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 51 insertions, 3 deletions

diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c
index fcca3adefc5b..98c979dbbe3d 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c
@@ -150,7 +150,6 @@ int ov9650_start(struct sd *sd)
 
         switch (cam->cam_mode[sd->gspca_dev.curr_mode].width)
         {
-        default:
         case 640:
                 PDEBUG(D_V4L2, "Configuring camera for VGA mode");
 
@@ -163,6 +162,19 @@ int ov9650_start(struct sd *sd)
                                 err = m5602_write_bridge(sd, VGA_ov9650[i][1], data);
                 }
                 break;
+
+        case 320:
+                PDEBUG(D_V4L2, "Configuring camera for QVGA mode");
+
+                for (i = 0; i < ARRAY_SIZE(QVGA_ov9650) && !err; i++) {
+                        u8 data = QVGA_ov9650[i][2];
+                        if (QVGA_ov9650[i][0] == SENSOR)
+                                err = m5602_write_sensor(sd,
+                                        QVGA_ov9650[i][1], &data, 1);
+                        else
+                                err = m5602_write_bridge(sd, QVGA_ov9650[i][1], data);
+                }
+                break;
         }
         return err;
 }
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.h b/drivers/media/video/gspca/m5602/m5602_ov9650.h
index 17f3382af76a..636dce61c49d 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.h
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.h
@@ -20,7 +20,6 @@
 #define M5602_OV9650_H_
 
 #include <linux/dmi.h>
-
 #include "m5602_sensor.h"
 
 /*****************************************************************************/
@@ -94,6 +93,7 @@
 
 #define OV9650_REGISTER_RESET           (1 << 7)
 #define OV9650_VGA_SELECT               (1 << 6)
+#define OV9650_QVGA_SELECT              (1 << 4)
 #define OV9650_RGB_SELECT               (1 << 2)
 #define OV9650_RAW_RGB_SELECT           (1 << 0)
 
@@ -258,9 +258,19 @@ static struct m5602_sensor ov9650 = {
         }
         },
 
-        .nmodes = 1,
+        .nmodes = 2,
         .modes = {
         {
+                320,
+                240,
+                V4L2_PIX_FMT_SBGGR8,
+                V4L2_FIELD_NONE,
+                .sizeimage =
+                        320 * 240,
+                .bytesperline = 320,
+                .colorspace = V4L2_COLORSPACE_SRGB,
+                .priv = 0
+        }, {
                 640,
                 480,
                 V4L2_PIX_FMT_SBGGR8,
@@ -464,4 +474,30 @@ static const unsigned char VGA_ov9650[][3] =
         {BRIDGE, M5602_XB_HSYNC_PARA, 0xe4}
 };
 
+static const unsigned char QVGA_ov9650[][3] =
+{
+        {SENSOR, OV9650_COM7, OV9650_QVGA_SELECT |
+                              OV9650_RGB_SELECT |
+                              OV9650_RAW_RGB_SELECT},
+
+        {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82},
+        {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00},
+        {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82},
+        {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00},
+        {BRIDGE, M5602_XB_SIG_INI, 0x01},
+
+        /* Moves the view window in a vertical orientation */
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x08},
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0xf0}, /* 240 */
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_HSYNC_PARA, 0x00},
+        {BRIDGE, M5602_XB_HSYNC_PARA, 0x31}, /* 50 */
+        {BRIDGE, M5602_XB_HSYNC_PARA, 0x01}, /* 320 + 50 */
+        {BRIDGE, M5602_XB_HSYNC_PARA, 0x71}
+};
+
 #endif