| /*************************************************************************** |
| * 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" |
| |
| |
| 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; |
| } |