| /*************************************************************************** |
| * Plug-in for HV7131R 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 hv7131r_init(struct sn9c102_device* cam) |
| { |
| int err = 0; |
| |
| switch (sn9c102_get_bridge(cam)) { |
| case BRIDGE_SN9C103: |
| err = sn9c102_write_const_regs(cam, {0x00, 0x03}, {0x1a, 0x04}, |
| {0x20, 0x05}, {0x20, 0x06}, |
| {0x03, 0x10}, {0x00, 0x14}, |
| {0x60, 0x17}, {0x0a, 0x18}, |
| {0xf0, 0x19}, {0x1d, 0x1a}, |
| {0x10, 0x1b}, {0x02, 0x1c}, |
| {0x03, 0x1d}, {0x0f, 0x1e}, |
| {0x0c, 0x1f}, {0x00, 0x20}, |
| {0x10, 0x21}, {0x20, 0x22}, |
| {0x30, 0x23}, {0x40, 0x24}, |
| {0x50, 0x25}, {0x60, 0x26}, |
| {0x70, 0x27}, {0x80, 0x28}, |
| {0x90, 0x29}, {0xa0, 0x2a}, |
| {0xb0, 0x2b}, {0xc0, 0x2c}, |
| {0xd0, 0x2d}, {0xe0, 0x2e}, |
| {0xf0, 0x2f}, {0xff, 0x30}); |
| break; |
| case BRIDGE_SN9C105: |
| case BRIDGE_SN9C120: |
| err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02}, |
| {0x00, 0x03}, {0x1a, 0x04}, |
| {0x44, 0x05}, {0x3e, 0x06}, |
| {0x1a, 0x07}, {0x03, 0x10}, |
| {0x08, 0x14}, {0xa3, 0x17}, |
| {0x4b, 0x18}, {0x00, 0x19}, |
| {0x1d, 0x1a}, {0x10, 0x1b}, |
| {0x02, 0x1c}, {0x03, 0x1d}, |
| {0x0f, 0x1e}, {0x0c, 0x1f}, |
| {0x00, 0x20}, {0x29, 0x21}, |
| {0x40, 0x22}, {0x54, 0x23}, |
| {0x66, 0x24}, {0x76, 0x25}, |
| {0x85, 0x26}, {0x94, 0x27}, |
| {0xa1, 0x28}, {0xae, 0x29}, |
| {0xbb, 0x2a}, {0xc7, 0x2b}, |
| {0xd3, 0x2c}, {0xde, 0x2d}, |
| {0xea, 0x2e}, {0xf4, 0x2f}, |
| {0xff, 0x30}, {0x00, 0x3F}, |
| {0xC7, 0x40}, {0x01, 0x41}, |
| {0x44, 0x42}, {0x00, 0x43}, |
| {0x44, 0x44}, {0x00, 0x45}, |
| {0x44, 0x46}, {0x00, 0x47}, |
| {0xC7, 0x48}, {0x01, 0x49}, |
| {0xC7, 0x4A}, {0x01, 0x4B}, |
| {0xC7, 0x4C}, {0x01, 0x4D}, |
| {0x44, 0x4E}, {0x00, 0x4F}, |
| {0x44, 0x50}, {0x00, 0x51}, |
| {0x44, 0x52}, {0x00, 0x53}, |
| {0xC7, 0x54}, {0x01, 0x55}, |
| {0xC7, 0x56}, {0x01, 0x57}, |
| {0xC7, 0x58}, {0x01, 0x59}, |
| {0x44, 0x5A}, {0x00, 0x5B}, |
| {0x44, 0x5C}, {0x00, 0x5D}, |
| {0x44, 0x5E}, {0x00, 0x5F}, |
| {0xC7, 0x60}, {0x01, 0x61}, |
| {0xC7, 0x62}, {0x01, 0x63}, |
| {0xC7, 0x64}, {0x01, 0x65}, |
| {0x44, 0x66}, {0x00, 0x67}, |
| {0x44, 0x68}, {0x00, 0x69}, |
| {0x44, 0x6A}, {0x00, 0x6B}, |
| {0xC7, 0x6C}, {0x01, 0x6D}, |
| {0xC7, 0x6E}, {0x01, 0x6F}, |
| {0xC7, 0x70}, {0x01, 0x71}, |
| {0x44, 0x72}, {0x00, 0x73}, |
| {0x44, 0x74}, {0x00, 0x75}, |
| {0x44, 0x76}, {0x00, 0x77}, |
| {0xC7, 0x78}, {0x01, 0x79}, |
| {0xC7, 0x7A}, {0x01, 0x7B}, |
| {0xC7, 0x7C}, {0x01, 0x7D}, |
| {0x44, 0x7E}, {0x00, 0x7F}, |
| {0x14, 0x84}, {0x00, 0x85}, |
| {0x27, 0x86}, {0x00, 0x87}, |
| {0x07, 0x88}, {0x00, 0x89}, |
| {0xEC, 0x8A}, {0x0f, 0x8B}, |
| {0xD8, 0x8C}, {0x0f, 0x8D}, |
| {0x3D, 0x8E}, {0x00, 0x8F}, |
| {0x3D, 0x90}, {0x00, 0x91}, |
| {0xCD, 0x92}, {0x0f, 0x93}, |
| {0xf7, 0x94}, {0x0f, 0x95}, |
| {0x0C, 0x96}, {0x00, 0x97}, |
| {0x00, 0x98}, {0x66, 0x99}, |
| {0x05, 0x9A}, {0x00, 0x9B}, |
| {0x04, 0x9C}, {0x00, 0x9D}, |
| {0x08, 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}, |
| {0x32, 0xD0}, {0xDD, 0xD1}, |
| {0x6A, 0xD2}, {0x50, 0xD3}, |
| {0x00, 0xD4}, {0x00, 0xD5}, |
| {0x00, 0xD6}); |
| break; |
| default: |
| break; |
| } |
| |
| err += sn9c102_i2c_write(cam, 0x20, 0x00); |
| err += sn9c102_i2c_write(cam, 0x21, 0xd6); |
| err += sn9c102_i2c_write(cam, 0x25, 0x06); |
| |
| return err; |
| } |
| |
| |
| static int hv7131r_get_ctrl(struct sn9c102_device* cam, |
| struct v4l2_control* ctrl) |
| { |
| switch (ctrl->id) { |
| case V4L2_CID_GAIN: |
| if ((ctrl->value = sn9c102_i2c_read(cam, 0x30)) < 0) |
| return -EIO; |
| return 0; |
| case V4L2_CID_RED_BALANCE: |
| if ((ctrl->value = sn9c102_i2c_read(cam, 0x31)) < 0) |
| return -EIO; |
| ctrl->value = ctrl->value & 0x3f; |
| return 0; |
| case V4L2_CID_BLUE_BALANCE: |
| if ((ctrl->value = sn9c102_i2c_read(cam, 0x33)) < 0) |
| return -EIO; |
| ctrl->value = ctrl->value & 0x3f; |
| return 0; |
| case SN9C102_V4L2_CID_GREEN_BALANCE: |
| if ((ctrl->value = sn9c102_i2c_read(cam, 0x32)) < 0) |
| return -EIO; |
| ctrl->value = ctrl->value & 0x3f; |
| return 0; |
| case V4L2_CID_BLACK_LEVEL: |
| if ((ctrl->value = sn9c102_i2c_read(cam, 0x01)) < 0) |
| return -EIO; |
| ctrl->value = (ctrl->value & 0x08) ? 1 : 0; |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| |
| static int hv7131r_set_ctrl(struct sn9c102_device* cam, |
| const struct v4l2_control* ctrl) |
| { |
| int err = 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_GAIN: |
| err += sn9c102_i2c_write(cam, 0x30, ctrl->value); |
| break; |
| case V4L2_CID_RED_BALANCE: |
| err += sn9c102_i2c_write(cam, 0x31, ctrl->value); |
| break; |
| case V4L2_CID_BLUE_BALANCE: |
| err += sn9c102_i2c_write(cam, 0x33, ctrl->value); |
| break; |
| case SN9C102_V4L2_CID_GREEN_BALANCE: |
| err += sn9c102_i2c_write(cam, 0x32, ctrl->value); |
| break; |
| case V4L2_CID_BLACK_LEVEL: |
| { |
| int r = sn9c102_i2c_read(cam, 0x01); |
| if (r < 0) |
| return -EIO; |
| err += sn9c102_i2c_write(cam, 0x01, |
| (ctrl->value<<3) | (r&0xf7)); |
| } |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return err ? -EIO : 0; |
| } |
| |
| |
| static int hv7131r_set_crop(struct sn9c102_device* cam, |
| const struct v4l2_rect* rect) |
| { |
| struct sn9c102_sensor* s = sn9c102_get_sensor(cam); |
| int err = 0; |
| u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1, |
| v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1; |
| |
| err += sn9c102_write_reg(cam, h_start, 0x12); |
| err += sn9c102_write_reg(cam, v_start, 0x13); |
| |
| return err; |
| } |
| |
| |
| static int hv7131r_set_pix_format(struct sn9c102_device* cam, |
| const struct v4l2_pix_format* pix) |
| { |
| int err = 0; |
| |
| switch (sn9c102_get_bridge(cam)) { |
| case BRIDGE_SN9C103: |
| if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { |
| err += sn9c102_write_reg(cam, 0xa0, 0x19); |
| err += sn9c102_i2c_write(cam, 0x01, 0x04); |
| } else { |
| err += sn9c102_write_reg(cam, 0x30, 0x19); |
| err += sn9c102_i2c_write(cam, 0x01, 0x04); |
| } |
| break; |
| case BRIDGE_SN9C105: |
| case BRIDGE_SN9C120: |
| if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { |
| err += sn9c102_write_reg(cam, 0xa5, 0x17); |
| err += sn9c102_i2c_write(cam, 0x01, 0x24); |
| } else { |
| err += sn9c102_write_reg(cam, 0xa3, 0x17); |
| err += sn9c102_i2c_write(cam, 0x01, 0x04); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return err; |
| } |
| |
| |
| static const struct sn9c102_sensor hv7131r = { |
| .name = "HV7131R", |
| .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", |
| .supported_bridge = BRIDGE_SN9C103 | BRIDGE_SN9C105 | BRIDGE_SN9C120, |
| .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE, |
| .frequency = SN9C102_I2C_100KHZ, |
| .interface = SN9C102_I2C_2WIRES, |
| .i2c_slave_id = 0x11, |
| .init = &hv7131r_init, |
| .qctrl = { |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "global gain", |
| .minimum = 0x00, |
| .maximum = 0xff, |
| .step = 0x01, |
| .default_value = 0x40, |
| .flags = 0, |
| }, |
| { |
| .id = V4L2_CID_RED_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "red balance", |
| .minimum = 0x00, |
| .maximum = 0x3f, |
| .step = 0x01, |
| .default_value = 0x08, |
| .flags = 0, |
| }, |
| { |
| .id = V4L2_CID_BLUE_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "blue balance", |
| .minimum = 0x00, |
| .maximum = 0x3f, |
| .step = 0x01, |
| .default_value = 0x1a, |
| .flags = 0, |
| }, |
| { |
| .id = SN9C102_V4L2_CID_GREEN_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "green balance", |
| .minimum = 0x00, |
| .maximum = 0x3f, |
| .step = 0x01, |
| .default_value = 0x2f, |
| .flags = 0, |
| }, |
| { |
| .id = V4L2_CID_BLACK_LEVEL, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "auto black level compensation", |
| .minimum = 0x00, |
| .maximum = 0x01, |
| .step = 0x01, |
| .default_value = 0x00, |
| .flags = 0, |
| }, |
| }, |
| .get_ctrl = &hv7131r_get_ctrl, |
| .set_ctrl = &hv7131r_set_ctrl, |
| .cropcap = { |
| .bounds = { |
| .left = 0, |
| .top = 0, |
| .width = 640, |
| .height = 480, |
| }, |
| .defrect = { |
| .left = 0, |
| .top = 0, |
| .width = 640, |
| .height = 480, |
| }, |
| }, |
| .set_crop = &hv7131r_set_crop, |
| .pix_format = { |
| .width = 640, |
| .height = 480, |
| .pixelformat = V4L2_PIX_FMT_SBGGR8, |
| .priv = 8, |
| }, |
| .set_pix_format = &hv7131r_set_pix_format |
| }; |
| |
| |
| int sn9c102_probe_hv7131r(struct sn9c102_device* cam) |
| { |
| int devid, err; |
| |
| err = sn9c102_write_const_regs(cam, {0x09, 0x01}, {0x44, 0x02}, |
| {0x34, 0x01}, {0x20, 0x17}, |
| {0x34, 0x01}, {0x46, 0x01}); |
| |
| devid = sn9c102_i2c_try_read(cam, &hv7131r, 0x00); |
| if (err || devid < 0) |
| return -EIO; |
| |
| if (devid != 0x02) |
| return -ENODEV; |
| |
| sn9c102_attach_sensor(cam, &hv7131r); |
| |
| return 0; |
| } |
