V4L/DVB (13670): soc-camera: Add mt9t112 camera driver

 create mode 100644 drivers/media/video/mt9t112.c
 create mode 100644 include/media/mt9t112.h

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

5 files changed, 1216 insertions, 0 deletions

diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index f63909d9c70b..2f83be766d9f 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -836,6 +836,12 @@ config SOC_CAMERA_MT9T031
         help
           This driver supports MT9T031 cameras from Micron.
 
+config SOC_CAMERA_MT9T112
+        tristate "mt9t112 support"
+        depends on SOC_CAMERA && I2C
+        help
+          This driver supports MT9T112 cameras from Aptina.
+
 config SOC_CAMERA_MT9V022
         tristate "mt9v022 support"
         depends on SOC_CAMERA && I2C
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index e7bc8daae064..2af68ee84122 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -75,6 +75,7 @@ obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
 obj-$(CONFIG_SOC_CAMERA_MT9M001)        += mt9m001.o
 obj-$(CONFIG_SOC_CAMERA_MT9M111)        += mt9m111.o
 obj-$(CONFIG_SOC_CAMERA_MT9T031)        += mt9t031.o
+obj-$(CONFIG_SOC_CAMERA_MT9T112)        += mt9t112.o
 obj-$(CONFIG_SOC_CAMERA_MT9V022)        += mt9v022.o
 obj-$(CONFIG_SOC_CAMERA_OV772X)         += ov772x.o
 obj-$(CONFIG_SOC_CAMERA_OV9640)         += ov9640.o
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
new file mode 100644
index 000000000000..fc4dd6045720
--- /dev/null
+++ b/drivers/media/video/mt9t112.c
@@ -0,0 +1,1177 @@
+/*
+ * mt9t112 Camera Driver
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on ov772x driver, mt9m111 driver,
+ *
+ * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
+ * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
+ * Copyright (C) 2008 Magnus Damm
+ * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/videodev2.h>
+
+#include <media/mt9t112.h>
+#include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-common.h>
+
+/* you can check PLL/clock info */
+/* #define EXT_CLOCK 24000000 */
+
+/************************************************************************
+
+
+                        macro
+
+
+************************************************************************/
+/*
+ * frame size
+ */
+#define MAX_WIDTH   2048
+#define MAX_HEIGHT  1536
+
+#define VGA_WIDTH   640
+#define VGA_HEIGHT  480
+
+/*
+ * macro of read/write
+ */
+#define ECHECKER(ret, x)                \
+        do {                            \
+                (ret) = (x);            \
+                if ((ret) < 0)          \
+                        return (ret);   \
+        } while (0)
+
+#define mt9t112_reg_write(ret, client, a, b) \
+        ECHECKER(ret, __mt9t112_reg_write(client, a, b))
+#define mt9t112_mcu_write(ret, client, a, b) \
+        ECHECKER(ret, __mt9t112_mcu_write(client, a, b))
+
+#define mt9t112_reg_mask_set(ret, client, a, b, c) \
+        ECHECKER(ret, __mt9t112_reg_mask_set(client, a, b, c))
+#define mt9t112_mcu_mask_set(ret, client, a, b, c) \
+        ECHECKER(ret, __mt9t112_mcu_mask_set(client, a, b, c))
+
+#define mt9t112_reg_read(ret, client, a) \
+        ECHECKER(ret, __mt9t112_reg_read(client, a))
+
+/*
+ * Logical address
+ */
+#define _VAR(id, offset, base)  (base | (id & 0x1f) << 10 | (offset & 0x3ff))
+#define VAR(id, offset)  _VAR(id, offset, 0x0000)
+#define VAR8(id, offset) _VAR(id, offset, 0x8000)
+
+/************************************************************************
+
+
+                        struct
+
+
+************************************************************************/
+struct mt9t112_frame_size {
+        u16 width;
+        u16 height;
+};
+
+struct mt9t112_format {
+        enum v4l2_mbus_pixelcode code;
+        enum v4l2_colorspace colorspace;
+        u16 fmt;
+        u16 order;
+};
+
+struct mt9t112_priv {
+        struct v4l2_subdev               subdev;
+        struct mt9t112_camera_info      *info;
+        struct i2c_client               *client;
+        struct soc_camera_device         icd;
+        struct mt9t112_frame_size        frame;
+        const struct mt9t112_format     *format;
+        int                              model;
+        u32                              flags;
+/* for flags */
+#define INIT_DONE  (1<<0)
+};
+
+/************************************************************************
+
+
+                        supported format
+
+
+************************************************************************/
+
+static const struct mt9t112_format mt9t112_cfmts[] = {
+        {
+                .code           = V4L2_MBUS_FMT_YUYV8_2X8_BE,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .fmt            = 1,
+                .order          = 0,
+        }, {
+                .code           = V4L2_MBUS_FMT_YVYU8_2X8_BE,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .fmt            = 1,
+                .order          = 1,
+        }, {
+                .code           = V4L2_MBUS_FMT_YUYV8_2X8_LE,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .fmt            = 1,
+                .order          = 2,
+        }, {
+                .code           = V4L2_MBUS_FMT_YVYU8_2X8_LE,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .fmt            = 1,
+                .order          = 3,
+        }, {
+                .code           = V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE,
+                .colorspace     = V4L2_COLORSPACE_SRGB,
+                .fmt            = 8,
+                .order          = 2,
+        }, {
+                .code           = V4L2_MBUS_FMT_RGB565_2X8_LE,
+                .colorspace     = V4L2_COLORSPACE_SRGB,
+                .fmt            = 4,
+                .order          = 2,
+        },
+};
+
+/************************************************************************
+
+
+                        general function