V4L/DVB: gspca - sn9c20x: Add support for cameras using the MT9M112 sensor

Adds the following models:
	- 0c45:624c
	- 0c45:628c
	- 0458:704a
	- 0458:704c

Signed-off-by: Brian Johnson <brijohn@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 45 insertions, 3 deletions

diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt
index 9475e1e14411..8f3f5d33327c 100644
--- a/Documentation/video4linux/gspca.txt
+++ b/Documentation/video4linux/gspca.txt
@@ -50,6 +50,8 @@ zc3xx		0458:700f	Genius VideoCam Web V2
 sonixj          0458:7025       Genius Eye 311Q
 sn9c20x         0458:7029       Genius Look 320s
 sonixj          0458:702e       Genius Slim 310 NB
+sn9c20x         0458:704a       Genius Slim 1320
+sn9c20x         0458:704c       Genius i-Look 1321
 sn9c20x         045e:00f4       LifeCam VX-6000 (SN9C20x + OV9650)
 sonixj          045e:00f5       MicroSoft VX3000
 sonixj          045e:00f7       MicroSoft VX1000
@@ -312,6 +314,7 @@ sonixj		0c45:614a	Frontech E-Ccam (JIL-2225)
 sn9c20x         0c45:6240       PC Camera (SN9C201 + MT9M001)
 sn9c20x         0c45:6242       PC Camera (SN9C201 + MT9M111)
 sn9c20x         0c45:6248       PC Camera (SN9C201 + OV9655)
+sn9c20x         0c45:624c       PC Camera (SN9C201 + MT9M112)
 sn9c20x         0c45:624e       PC Camera (SN9C201 + SOI968)
 sn9c20x         0c45:624f       PC Camera (SN9C201 + OV9650)
 sn9c20x         0c45:6251       PC Camera (SN9C201 + OV9650)
@@ -324,6 +327,7 @@ sn9c20x		0c45:627f	PC Camera (SN9C201 + OV9650)
 sn9c20x         0c45:6280       PC Camera (SN9C202 + MT9M001)
 sn9c20x         0c45:6282       PC Camera (SN9C202 + MT9M111)
 sn9c20x         0c45:6288       PC Camera (SN9C202 + OV9655)
+sn9c20x         0c45:628c       PC Camera (SN9C201 + MT9M112)
 sn9c20x         0c45:628e       PC Camera (SN9C202 + SOI968)
 sn9c20x         0c45:628f       PC Camera (SN9C202 + OV9650)
 sn9c20x         0c45:62a0       PC Camera (SN9C202 + OV7670)
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 06c75dbecaee..479fdbb9e673 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -50,7 +50,8 @@ MODULE_LICENSE("GPL");
 #define SENSOR_MT9V112  7
 #define SENSOR_MT9M001  8
 #define SENSOR_MT9M111  9
-#define SENSOR_HV7131R  10
+#define SENSOR_MT9M112  10
+#define SENSOR_HV7131R  11
 #define SENSOR_MT9VPRB  20
 
 /* camera flags */
@@ -731,6 +732,7 @@ static u16 i2c_ident[] = {
         V4L2_IDENT_MT9V112,
         V4L2_IDENT_MT9M001C12ST,
         V4L2_IDENT_MT9M111,
+        V4L2_IDENT_MT9M112,
         V4L2_IDENT_HV7131R,
 };
 
@@ -1062,6 +1064,13 @@ static struct i2c_reg_u16 mt9m111_init[] = {
         {0xf0, 0x0000},
 };
 
+static struct i2c_reg_u16 mt9m112_init[] = {
+        {0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008},
+        {0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300},
+        {0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e},
+        {0xf0, 0x0000},
+};
+
 static struct i2c_reg_u8 hv7131r_init[] = {
         {0x02, 0x08}, {0x02, 0x00}, {0x01, 0x08},
         {0x02, 0x00}, {0x20, 0x00}, {0x21, 0xd0},
@@ -1388,6 +1397,23 @@ static int mt9v_init_sensor(struct gspca_dev *gspca_dev)
         return -ENODEV;
 }
 
+static int mt9m112_init_sensor(struct gspca_dev *gspca_dev)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+        int i;
+        for (i = 0; i < ARRAY_SIZE(mt9m112_init); i++) {
+                if (i2c_w2(gspca_dev, mt9m112_init[i].reg,
+                                mt9m112_init[i].val) < 0) {
+                        err("MT9M112 sensor initialization failed");
+                        return -ENODEV;
+                }
+        }
+        gspca_dev->ctrl_dis = (1 << EXPOSURE_IDX) | (1 << AUTOGAIN_IDX) | (1 << GAIN_IDX);
+        sd->hstart = 0;
+        sd->vstart = 2;
+        return 0;
+}
+
 static int mt9m111_init_sensor(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
@@ -1553,6 +1579,7 @@ static int set_hvflip(struct gspca_dev *gspca_dev)
                         value2 |= 0x4020;
                 i2c_w2(gspca_dev, 0x20, value2);
                 break;
+        case SENSOR_MT9M112:
         case SENSOR_MT9M111:
         case SENSOR_MT9V112:
                 i2c_r2(gspca_dev, 0x20, &value2);
@@ -1878,7 +1905,7 @@ static int sd_dbg_g_register(struct gspca_dev *gspca_dev,
                 if (reg->match.addr != sd->i2c_addr)
                         return -EINVAL;
                 if (sd->sensor >= SENSOR_MT9V011 &&
-                    sd->sensor <= SENSOR_MT9M111) {
+                    sd->sensor <= SENSOR_MT9M112) {
                         if (i2c_r2(gspca_dev, reg->reg, (u16 *)&reg->val) < 0)
                                 return -EINVAL;
                 } else {
@@ -1907,7 +1934,7 @@ static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
                 if (reg->match.addr != sd->i2c_addr)
                         return -EINVAL;
                 if (sd->sensor >= SENSOR_MT9V011 &&
-                    sd->sensor <= SENSOR_MT9M111) {
+                    sd->sensor <= SENSOR_MT9M112) {
                         if (i2c_w2(gspca_dev, reg->reg, reg->val) < 0)
                                 return -EINVAL;
                 } else {
@@ -1955,6 +1982,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
         sd->flags = (id->driver_info >> 16) & 0xff;
 
         switch (sd->sensor) {
+        case SENSOR_MT9M112:
         case SENSOR_MT9M111:
         case SENSOR_OV9650:
         case SENSOR_SOI968:
@@ -2051,6 +2079,11 @@ static int sd_init(struct gspca_dev *gspca_dev)
                         return -ENODEV;
                 info("MT9M111 sensor detected");
                 break;
+        case SENSOR_MT9M112:
+                if (mt9m112_init_sensor(gspca_dev) < 0)
+                        return -ENODEV;
+                info("MT9M112 sensor detected");
+                break;
         case SENSOR_MT9M001:
                 if (mt9m001_init_sensor(gspca_dev) < 0)
                         return -ENODEV;
@@ -2110,6 +2143,7 @@ static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode)
                         i2c_w1(gspca_dev, 0x12, (value & 0x7) | 0x40);
                 }
                 break;
+        case SENSOR_MT9M112:
         case SENSOR_MT9M111:
                 if (mode & MODE_SXGA) {
                         i2c_w2(gspca_dev, 0xf0, 0x0002);
@@ -2399,6 +2433,7 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)},
+        {USB_DEVICE(0x0c45, 0x624c), SN9C20X(MT9M112, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30,
                                              (HAS_BUTTON | LED_REVERSE))},
         {USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30, FLIP_DETECT)},
@@ -2412,6 +2447,7 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x6282), SN9C20X(MT9M111, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, HAS_BUTTON)},
+        {USB_DEVICE(0x0c45, 0x628c), SN9C20X(MT9M112, 0x5d, 0)},
         {USB_DEVICE(0x0c45, 0x628e), SN9C20X(SOI968, 0x30, 0)},
         {USB_DEVICE(0x0c45, 0x628f), SN9C20X(OV9650, 0x30, 0)},
         {USB_DEVICE(0x0c45, 0x62a0), SN9C20X(OV7670, 0x21, 0)},
@@ -2422,6 +2458,8 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)},
         {USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)},
         {USB_DEVICE(0x0458, 0x7029), SN9C20X(HV7131R, 0x11, 0)},
+        {USB_DEVICE(0x0458, 0x704a), SN9C20X(MT9M112, 0x5d, 0)},
+        {USB_DEVICE(0x0458, 0x704c), SN9C20X(MT9M112, 0x5d, 0)},
         {USB_DEVICE(0xa168, 0x0610), SN9C20X(HV7131R, 0x11, 0)},
         {USB_DEVICE(0xa168, 0x0611), SN9C20X(HV7131R, 0x11, 0)},
         {USB_DEVICE(0xa168, 0x0613), SN9C20X(HV7131R, 0x11, 0)},