diff options
Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_hv7131r.c')
-rw-r--r-- | drivers/media/video/sn9c102/sn9c102_hv7131r.c | 366 |
1 files changed, 366 insertions, 0 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_hv7131r.c b/drivers/media/video/sn9c102/sn9c102_hv7131r.c new file mode 100644 index 00000000000..5a495baa5f9 --- /dev/null +++ b/drivers/media/video/sn9c102/sn9c102_hv7131r.c @@ -0,0 +1,366 @@ +/*************************************************************************** + * 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" + + +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 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}); + + if (err) + return -EIO; + + devid = sn9c102_i2c_try_read(cam, &hv7131r, 0x00); + if (devid < 0) + return -EIO; + + if (devid != 0x02) + return -ENODEV; + + sn9c102_attach_sensor(cam, &hv7131r); + + return 0; +} |