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