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path: root/drivers/media/usb/sn9c102/sn9c102_mt9v111.c
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Diffstat (limited to 'drivers/media/usb/sn9c102/sn9c102_mt9v111.c')
-rw-r--r--drivers/media/usb/sn9c102/sn9c102_mt9v111.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/drivers/media/usb/sn9c102/sn9c102_mt9v111.c b/drivers/media/usb/sn9c102/sn9c102_mt9v111.c
new file mode 100644
index 000000000000..95986eb492e4
--- /dev/null
+++ b/drivers/media/usb/sn9c102/sn9c102_mt9v111.c
@@ -0,0 +1,260 @@
+/***************************************************************************
+ * Plug-in for MT9V111 image sensor connected to the SN9C1xx PC Camera *
+ * Controllers *
+ * *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
+
+
+static int mt9v111_init(struct sn9c102_device *cam)
+{
+ struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+ int err = 0;
+
+ err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
+ {0x00, 0x03}, {0x1a, 0x04},
+ {0x1f, 0x05}, {0x20, 0x06},
+ {0x1f, 0x07}, {0x81, 0x08},
+ {0x5c, 0x09}, {0x00, 0x0a},
+ {0x00, 0x0b}, {0x00, 0x0c},
+ {0x00, 0x0d}, {0x00, 0x0e},
+ {0x00, 0x0f}, {0x03, 0x10},
+ {0x00, 0x11}, {0x00, 0x12},
+ {0x02, 0x13}, {0x14, 0x14},
+ {0x28, 0x15}, {0x1e, 0x16},
+ {0xe2, 0x17}, {0x06, 0x18},
+ {0x00, 0x19}, {0x00, 0x1a},
+ {0x00, 0x1b}, {0x08, 0x20},
+ {0x39, 0x21}, {0x51, 0x22},
+ {0x63, 0x23}, {0x73, 0x24},
+ {0x82, 0x25}, {0x8f, 0x26},
+ {0x9b, 0x27}, {0xa7, 0x28},
+ {0xb1, 0x29}, {0xbc, 0x2a},
+ {0xc6, 0x2b}, {0xcf, 0x2c},
+ {0xd8, 0x2d}, {0xe1, 0x2e},
+ {0xea, 0x2f}, {0xf2, 0x30},
+ {0x13, 0x84}, {0x00, 0x85},
+ {0x25, 0x86}, {0x00, 0x87},
+ {0x07, 0x88}, {0x00, 0x89},
+ {0xee, 0x8a}, {0x0f, 0x8b},
+ {0xe5, 0x8c}, {0x0f, 0x8d},
+ {0x2e, 0x8e}, {0x00, 0x8f},
+ {0x30, 0x90}, {0x00, 0x91},
+ {0xd4, 0x92}, {0x0f, 0x93},
+ {0xfc, 0x94}, {0x0f, 0x95},
+ {0x14, 0x96}, {0x00, 0x97},
+ {0x00, 0x98}, {0x60, 0x99},
+ {0x07, 0x9a}, {0x40, 0x9b},
+ {0x20, 0x9c}, {0x00, 0x9d},
+ {0x00, 0x9e}, {0x00, 0x9f},
+ {0x2d, 0xc0}, {0x2d, 0xc1},
+ {0x3a, 0xc2}, {0x05, 0xc3},
+ {0x04, 0xc4}, {0x3f, 0xc5},
+ {0x00, 0xc6}, {0x00, 0xc7},
+ {0x50, 0xc8}, {0x3c, 0xc9},
+ {0x28, 0xca}, {0xd8, 0xcb},
+ {0x14, 0xcc}, {0xec, 0xcd},
+ {0x32, 0xce}, {0xdd, 0xcf},
+ {0x2d, 0xd0}, {0xdd, 0xd1},
+ {0x6a, 0xd2}, {0x50, 0xd3},
+ {0x60, 0xd4}, {0x00, 0xd5},
+ {0x00, 0xd6});
+
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+ 0x00, 0x01, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
+ 0x00, 0x01, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
+ 0x00, 0x00, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
+ 0x04, 0x80, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+ 0x00, 0x04, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
+ 0x00, 0x08, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x02,
+ 0x00, 0x16, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03,
+ 0x01, 0xe7, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
+ 0x02, 0x87, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
+ 0x00, 0x40, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
+ 0x00, 0x09, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x07,
+ 0x30, 0x02, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0c,
+ 0x00, 0x00, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x12,
+ 0x00, 0xb0, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x13,
+ 0x00, 0x7c, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x1e,
+ 0x00, 0x00, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
+ 0x00, 0x00, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
+ 0x00, 0x00, 0, 0);
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+ 0x00, 0x04, 0, 0);
+
+ return err;
+}
+
+static int mt9v111_get_ctrl(struct sn9c102_device *cam,
+ struct v4l2_control *ctrl)
+{
+ struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+ u8 data[2];
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_VFLIP:
+ if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
+ data) < 0)
+ return -EIO;
+ ctrl->value = data[1] & 0x80 ? 1 : 0;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+static int mt9v111_set_ctrl(struct sn9c102_device *cam,
+ const struct v4l2_control *ctrl)
+{
+ struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_VFLIP:
+ err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
+ 0x20,
+ ctrl->value ? 0x80 : 0x00,
+ ctrl->value ? 0x80 : 0x00, 0,
+ 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+static int mt9v111_set_crop(struct sn9c102_device *cam,
+ const struct v4l2_rect *rect)
+{
+ struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+ int err = 0;
+ u8 v_start = (u8) (rect->top - s->cropcap.bounds.top) + 2;
+
+ err += sn9c102_write_reg(cam, v_start, 0x13);
+
+ return err;
+}
+
+static int mt9v111_set_pix_format(struct sn9c102_device *cam,
+ const struct v4l2_pix_format *pix)
+{
+ int err = 0;
+
+ if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
+ err += sn9c102_write_reg(cam, 0xb4, 0x17);
+ } else {
+ err += sn9c102_write_reg(cam, 0xe2, 0x17);
+ }
+
+ return err;
+}
+
+
+static const struct sn9c102_sensor mt9v111 = {
+ .name = "MT9V111",
+ .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+ .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
+ .frequency = SN9C102_I2C_100KHZ,
+ .interface = SN9C102_I2C_2WIRES,
+ .i2c_slave_id = 0x5c,
+ .init = &mt9v111_init,
+ .qctrl = {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "vertical mirror",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0,
+ .flags = 0,
+ },
+ },
+ .get_ctrl = &mt9v111_get_ctrl,
+ .set_ctrl = &mt9v111_set_ctrl,
+ .cropcap = {
+ .bounds = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ .defrect = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ },
+ .set_crop = &mt9v111_set_crop,
+ .pix_format = {
+ .width = 640,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_SBGGR8,
+ .priv = 8,
+ },
+ .set_pix_format = &mt9v111_set_pix_format
+};
+
+
+int sn9c102_probe_mt9v111(struct sn9c102_device *cam)
+{
+ u8 data[2];
+ int err = 0;
+
+ err += sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
+ {0x29, 0x01}, {0x42, 0x17},
+ {0x62, 0x17}, {0x08, 0x01});
+ err += sn9c102_i2c_try_raw_write(cam, &mt9v111, 4,
+ mt9v111.i2c_slave_id, 0x01, 0x00,
+ 0x04, 0, 0);
+ if (err || sn9c102_i2c_try_raw_read(cam, &mt9v111,
+ mt9v111.i2c_slave_id, 0x36, 2,
+ data) < 0)
+ return -EIO;
+
+ if (data[0] != 0x82 || data[1] != 0x3a)
+ return -ENODEV;
+
+ sn9c102_attach_sensor(cam, &mt9v111);
+
+ return 0;
+}
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