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>

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;
 }

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