| /* |
| * ov534-ov7xxx gspca driver |
| * |
| * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> |
| * Copyright (C) 2008 Jim Paris <jim@jtan.com> |
| * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr |
| * |
| * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> |
| * USB protocol reverse engineered by Jim Paris <jim@jtan.com> |
| * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ |
| * |
| * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr |
| * PS3 Eye camera - brightness, contrast, awb, agc, aec controls |
| * added by Max Thrun <bear24rw@gmail.com> |
| * |
| * 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 |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #define MODULE_NAME "ov534" |
| |
| #include "gspca.h" |
| |
| #define OV534_REG_ADDRESS 0xf1 /* sensor address */ |
| #define OV534_REG_SUBADDR 0xf2 |
| #define OV534_REG_WRITE 0xf3 |
| #define OV534_REG_READ 0xf4 |
| #define OV534_REG_OPERATION 0xf5 |
| #define OV534_REG_STATUS 0xf6 |
| |
| #define OV534_OP_WRITE_3 0x37 |
| #define OV534_OP_WRITE_2 0x33 |
| #define OV534_OP_READ_2 0xf9 |
| |
| #define CTRL_TIMEOUT 500 |
| |
| MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); |
| MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver"); |
| MODULE_LICENSE("GPL"); |
| |
| /* controls */ |
| enum e_ctrl { |
| BRIGHTNESS, |
| CONTRAST, |
| GAIN, |
| EXPOSURE, |
| AGC, |
| AWB, |
| AEC, |
| SHARPNESS, |
| HFLIP, |
| VFLIP, |
| COLORS, |
| LIGHTFREQ, |
| NCTRLS /* number of controls */ |
| }; |
| |
| /* specific webcam descriptor */ |
| struct sd { |
| struct gspca_dev gspca_dev; /* !! must be the first item */ |
| |
| struct gspca_ctrl ctrls[NCTRLS]; |
| |
| __u32 last_pts; |
| u16 last_fid; |
| u8 frame_rate; |
| |
| u8 sensor; |
| }; |
| enum sensors { |
| SENSOR_OV767x, |
| SENSOR_OV772x, |
| NSENSORS |
| }; |
| |
| /* V4L2 controls supported by the driver */ |
| static void setbrightness(struct gspca_dev *gspca_dev); |
| static void setcontrast(struct gspca_dev *gspca_dev); |
| static void setgain(struct gspca_dev *gspca_dev); |
| static void setexposure(struct gspca_dev *gspca_dev); |
| static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val); |
| static void setawb(struct gspca_dev *gspca_dev); |
| static void setaec(struct gspca_dev *gspca_dev); |
| static void setsharpness(struct gspca_dev *gspca_dev); |
| static void sethvflip(struct gspca_dev *gspca_dev); |
| static void setcolors(struct gspca_dev *gspca_dev); |
| static void setlightfreq(struct gspca_dev *gspca_dev); |
| |
| static int sd_start(struct gspca_dev *gspca_dev); |
| static void sd_stopN(struct gspca_dev *gspca_dev); |
| |
| static const struct ctrl sd_ctrls[] = { |
| [BRIGHTNESS] = { |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set_control = setbrightness |
| }, |
| [CONTRAST] = { |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = 32, |
| }, |
| .set_control = setcontrast |
| }, |
| [GAIN] = { |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Main Gain", |
| .minimum = 0, |
| .maximum = 63, |
| .step = 1, |
| .default_value = 20, |
| }, |
| .set_control = setgain |
| }, |
| [EXPOSURE] = { |
| { |
| .id = V4L2_CID_EXPOSURE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Exposure", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = 120, |
| }, |
| .set_control = setexposure |
| }, |
| [AGC] = { |
| { |
| .id = V4L2_CID_AUTOGAIN, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto Gain", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 1, |
| }, |
| .set = sd_setagc |
| }, |
| [AWB] = { |
| { |
| .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto White Balance", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 1, |
| }, |
| .set_control = setawb |
| }, |
| [AEC] = { |
| { |
| .id = V4L2_CID_EXPOSURE_AUTO, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto Exposure", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 1, |
| }, |
| .set_control = setaec |
| }, |
| [SHARPNESS] = { |
| { |
| .id = V4L2_CID_SHARPNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Sharpness", |
| .minimum = 0, |
| .maximum = 63, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set_control = setsharpness |
| }, |
| [HFLIP] = { |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "HFlip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set_control = sethvflip |
| }, |
| [VFLIP] = { |
| { |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "VFlip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set_control = sethvflip |
| }, |
| [COLORS] = { |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Saturation", |
| .minimum = 0, |
| .maximum = 6, |
| .step = 1, |
| .default_value = 3, |
| }, |
| .set_control = setcolors |
| }, |
| [LIGHTFREQ] = { |
| { |
| .id = V4L2_CID_POWER_LINE_FREQUENCY, |
| .type = V4L2_CTRL_TYPE_MENU, |
| .name = "Light Frequency Filter", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set_control = setlightfreq |
| }, |
| }; |
| |
| static const struct v4l2_pix_format ov772x_mode[] = { |
| {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, |
| .bytesperline = 320 * 2, |
| .sizeimage = 320 * 240 * 2, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 1}, |
| {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, |
| .bytesperline = 640 * 2, |
| .sizeimage = 640 * 480 * 2, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 0}, |
| }; |
| static const struct v4l2_pix_format ov767x_mode[] = { |
| {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 320, |
| .sizeimage = 320 * 240 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG}, |
| {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 640, |
| .sizeimage = 640 * 480 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG}, |
| }; |
| |
| static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30}; |
| static const u8 vga_rates[] = {60, 50, 40, 30, 15}; |
| |
| static const struct framerates ov772x_framerates[] = { |
| { /* 320x240 */ |
| .rates = qvga_rates, |
| .nrates = ARRAY_SIZE(qvga_rates), |
| }, |
| { /* 640x480 */ |
| .rates = vga_rates, |
| .nrates = ARRAY_SIZE(vga_rates), |
| }, |
| }; |
| |
| struct reg_array { |
| const u8 (*val)[2]; |
| int len; |
| }; |
| |
| static const u8 bridge_init_767x[][2] = { |
| /* comments from the ms-win file apollo7670.set */ |
| /* str1 */ |
| {0xf1, 0x42}, |
| {0x88, 0xf8}, |
| {0x89, 0xff}, |
| {0x76, 0x03}, |
| {0x92, 0x03}, |
| {0x95, 0x10}, |
| {0xe2, 0x00}, |
| {0xe7, 0x3e}, |
| {0x8d, 0x1c}, |
| {0x8e, 0x00}, |
| {0x8f, 0x00}, |
| {0x1f, 0x00}, |
| {0xc3, 0xf9}, |
| {0x89, 0xff}, |
| {0x88, 0xf8}, |
| {0x76, 0x03}, |
| {0x92, 0x01}, |
| {0x93, 0x18}, |
| {0x1c, 0x00}, |
| {0x1d, 0x48}, |
| {0x1d, 0x00}, |
| {0x1d, 0xff}, |
| {0x1d, 0x02}, |
| {0x1d, 0x58}, |
| {0x1d, 0x00}, |
| {0x1c, 0x0a}, |
| {0x1d, 0x0a}, |
| {0x1d, 0x0e}, |
| {0xc0, 0x50}, /* HSize 640 */ |
| {0xc1, 0x3c}, /* VSize 480 */ |
| {0x34, 0x05}, /* enable Audio Suspend mode */ |
| {0xc2, 0x0c}, /* Input YUV */ |
| {0xc3, 0xf9}, /* enable PRE */ |
| {0x34, 0x05}, /* enable Audio Suspend mode */ |
| {0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */ |
| {0x31, 0xf9}, /* enable 1.8V Suspend */ |
| {0x35, 0x02}, /* turn on JPEG */ |
| {0xd9, 0x10}, |
| {0x25, 0x42}, /* GPIO[8]:Input */ |
| {0x94, 0x11}, /* If the default setting is loaded when |
| * system boots up, this flag is closed here */ |
| }; |
| static const u8 sensor_init_767x[][2] = { |
| {0x12, 0x80}, |
| {0x11, 0x03}, |
| {0x3a, 0x04}, |
| {0x12, 0x00}, |
| {0x17, 0x13}, |
| {0x18, 0x01}, |
| {0x32, 0xb6}, |
| {0x19, 0x02}, |
| {0x1a, 0x7a}, |
| {0x03, 0x0a}, |
| {0x0c, 0x00}, |
| {0x3e, 0x00}, |
| {0x70, 0x3a}, |
| {0x71, 0x35}, |
| {0x72, 0x11}, |
| {0x73, 0xf0}, |
| {0xa2, 0x02}, |
| {0x7a, 0x2a}, /* set Gamma=1.6 below */ |
| {0x7b, 0x12}, |
| {0x7c, 0x1d}, |
| {0x7d, 0x2d}, |
| {0x7e, 0x45}, |
| {0x7f, 0x50}, |
| {0x80, 0x59}, |
| {0x81, 0x62}, |
| {0x82, 0x6b}, |
| {0x83, 0x73}, |
| {0x84, 0x7b}, |
| {0x85, 0x8a}, |
| {0x86, 0x98}, |
| {0x87, 0xb2}, |
| {0x88, 0xca}, |
| {0x89, 0xe0}, |
| {0x13, 0xe0}, |
| {0x00, 0x00}, |
| {0x10, 0x00}, |
| {0x0d, 0x40}, |
| {0x14, 0x38}, /* gain max 16x */ |
| {0xa5, 0x05}, |
| {0xab, 0x07}, |
| {0x24, 0x95}, |
| {0x25, 0x33}, |
| {0x26, 0xe3}, |
| {0x9f, 0x78}, |
| {0xa0, 0x68}, |
| {0xa1, 0x03}, |
| {0xa6, 0xd8}, |
| {0xa7, 0xd8}, |
| {0xa8, 0xf0}, |
| {0xa9, 0x90}, |
| {0xaa, 0x94}, |
| {0x13, 0xe5}, |
| {0x0e, 0x61}, |
| {0x0f, 0x4b}, |
| {0x16, 0x02}, |
| {0x21, 0x02}, |
| {0x22, 0x91}, |
| {0x29, 0x07}, |
| {0x33, 0x0b}, |
| {0x35, 0x0b}, |
| {0x37, 0x1d}, |
| {0x38, 0x71}, |
| {0x39, 0x2a}, |
| {0x3c, 0x78}, |
| {0x4d, 0x40}, |
| {0x4e, 0x20}, |
| {0x69, 0x00}, |
| {0x6b, 0x4a}, |
| {0x74, 0x10}, |
| {0x8d, 0x4f}, |
| {0x8e, 0x00}, |
| {0x8f, 0x00}, |
| {0x90, 0x00}, |
| {0x91, 0x00}, |
| {0x96, 0x00}, |
| {0x9a, 0x80}, |
| {0xb0, 0x84}, |
| {0xb1, 0x0c}, |
| {0xb2, 0x0e}, |
| {0xb3, 0x82}, |
| {0xb8, 0x0a}, |
| {0x43, 0x0a}, |
| {0x44, 0xf0}, |
| {0x45, 0x34}, |
| {0x46, 0x58}, |
| {0x47, 0x28}, |
| {0x48, 0x3a}, |
| {0x59, 0x88}, |
| {0x5a, 0x88}, |
| {0x5b, 0x44}, |
| {0x5c, 0x67}, |
| {0x5d, 0x49}, |
| {0x5e, 0x0e}, |
| {0x6c, 0x0a}, |
| {0x6d, 0x55}, |
| {0x6e, 0x11}, |
| {0x6f, 0x9f}, |
| {0x6a, 0x40}, |
| {0x01, 0x40}, |
| {0x02, 0x40}, |
| {0x13, 0xe7}, |
| {0x4f, 0x80}, |
| {0x50, 0x80}, |
| {0x51, 0x00}, |
| {0x52, 0x22}, |
| {0x53, 0x5e}, |
| {0x54, 0x80}, |
| {0x58, 0x9e}, |
| {0x41, 0x08}, |
| {0x3f, 0x00}, |
| {0x75, 0x04}, |
| {0x76, 0xe1}, |
| {0x4c, 0x00}, |
| {0x77, 0x01}, |
| {0x3d, 0xc2}, |
| {0x4b, 0x09}, |
| {0xc9, 0x60}, |
| {0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */ |
| {0x56, 0x40}, |
| {0x34, 0x11}, |
| {0x3b, 0xc2}, |
| {0xa4, 0x8a}, /* Night mode trigger point */ |
| {0x96, 0x00}, |
| {0x97, 0x30}, |
| {0x98, 0x20}, |
| {0x99, 0x20}, |
| {0x9a, 0x84}, |
| {0x9b, 0x29}, |
| {0x9c, 0x03}, |
| {0x9d, 0x4c}, |
| {0x9e, 0x3f}, |
| {0x78, 0x04}, |
| {0x79, 0x01}, |
| {0xc8, 0xf0}, |
| {0x79, 0x0f}, |
| {0xc8, 0x00}, |
| {0x79, 0x10}, |
| {0xc8, 0x7e}, |
| {0x79, 0x0a}, |
| {0xc8, 0x80}, |
| {0x79, 0x0b}, |
| {0xc8, 0x01}, |
| {0x79, 0x0c}, |
| {0xc8, 0x0f}, |
| {0x79, 0x0d}, |
| {0xc8, 0x20}, |
| {0x79, 0x09}, |
| {0xc8, 0x80}, |
| {0x79, 0x02}, |
| {0xc8, 0xc0}, |
| {0x79, 0x03}, |
| {0xc8, 0x20}, |
| {0x79, 0x26}, |
| }; |
| static const u8 bridge_start_vga_767x[][2] = { |
| /* str59 JPG */ |
| {0x94, 0xaa}, |
| {0xf1, 0x42}, |
| {0xe5, 0x04}, |
| {0xc0, 0x50}, |
| {0xc1, 0x3c}, |
| {0xc2, 0x0c}, |
| {0x35, 0x02}, /* turn on JPEG */ |
| {0xd9, 0x10}, |
| {0xda, 0x00}, /* for higher clock rate(30fps) */ |
| {0x34, 0x05}, /* enable Audio Suspend mode */ |
| {0xc3, 0xf9}, /* enable PRE */ |
| {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ |
| {0x8d, 0x1c}, /* output YUV */ |
| /* {0x34, 0x05}, * enable Audio Suspend mode (?) */ |
| {0x50, 0x00}, /* H/V divider=0 */ |
| {0x51, 0xa0}, /* input H=640/4 */ |
| {0x52, 0x3c}, /* input V=480/4 */ |
| {0x53, 0x00}, /* offset X=0 */ |
| {0x54, 0x00}, /* offset Y=0 */ |
| {0x55, 0x00}, /* H/V size[8]=0 */ |
| {0x57, 0x00}, /* H-size[9]=0 */ |
| {0x5c, 0x00}, /* output size[9:8]=0 */ |
| {0x5a, 0xa0}, /* output H=640/4 */ |
| {0x5b, 0x78}, /* output V=480/4 */ |
| {0x1c, 0x0a}, |
| {0x1d, 0x0a}, |
| {0x94, 0x11}, |
| }; |
| static const u8 sensor_start_vga_767x[][2] = { |
| {0x11, 0x01}, |
| {0x1e, 0x04}, |
| {0x19, 0x02}, |
| {0x1a, 0x7a}, |
| }; |
| static const u8 bridge_start_qvga_767x[][2] = { |
| /* str86 JPG */ |
| {0x94, 0xaa}, |
| {0xf1, 0x42}, |
| {0xe5, 0x04}, |
| {0xc0, 0x80}, |
| {0xc1, 0x60}, |
| {0xc2, 0x0c}, |
| {0x35, 0x02}, /* turn on JPEG */ |
| {0xd9, 0x10}, |
| {0xc0, 0x50}, /* CIF HSize 640 */ |
| {0xc1, 0x3c}, /* CIF VSize 480 */ |
| {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ |
| {0x8d, 0x1c}, /* output YUV */ |
| {0x34, 0x05}, /* enable Audio Suspend mode */ |
| {0xc2, 0x4c}, /* output YUV and Enable DCW */ |
| {0xc3, 0xf9}, /* enable PRE */ |
| {0x1c, 0x00}, /* indirect addressing */ |
| {0x1d, 0x48}, /* output YUV422 */ |
| {0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */ |
| {0x51, 0xa0}, /* DCW input H=640/4 */ |
| {0x52, 0x78}, /* DCW input V=480/4 */ |
| {0x53, 0x00}, /* offset X=0 */ |
| {0x54, 0x00}, /* offset Y=0 */ |
| {0x55, 0x00}, /* H/V size[8]=0 */ |
| {0x57, 0x00}, /* H-size[9]=0 */ |
| {0x5c, 0x00}, /* DCW output size[9:8]=0 */ |
| {0x5a, 0x50}, /* DCW output H=320/4 */ |
| {0x5b, 0x3c}, /* DCW output V=240/4 */ |
| {0x1c, 0x0a}, |
| {0x1d, 0x0a}, |
| {0x94, 0x11}, |
| }; |
| static const u8 sensor_start_qvga_767x[][2] = { |
| {0x11, 0x01}, |
| {0x1e, 0x04}, |
| {0x19, 0x02}, |
| {0x1a, 0x7a}, |
| }; |
| |
| static const u8 bridge_init_772x[][2] = { |
| { 0xc2, 0x0c }, |
| { 0x88, 0xf8 }, |
| { 0xc3, 0x69 }, |
| { 0x89, 0xff }, |
| { 0x76, 0x03 }, |
| { 0x92, 0x01 }, |
| { 0x93, 0x18 }, |
| { 0x94, 0x10 }, |
| { 0x95, 0x10 }, |
| { 0xe2, 0x00 }, |
| { 0xe7, 0x3e }, |
| |
| { 0x96, 0x00 }, |
| |
| { 0x97, 0x20 }, |
| { 0x97, 0x20 }, |
| { 0x97, 0x20 }, |
| { 0x97, 0x0a }, |
| { 0x97, 0x3f }, |
| { 0x97, 0x4a }, |
| { 0x97, 0x20 }, |
| { 0x97, 0x15 }, |
| { 0x97, 0x0b }, |
| |
| { 0x8e, 0x40 }, |
| { 0x1f, 0x81 }, |
| { 0x34, 0x05 }, |
| { 0xe3, 0x04 }, |
| { 0x88, 0x00 }, |
| { 0x89, 0x00 }, |
| { 0x76, 0x00 }, |
| { 0xe7, 0x2e }, |
| { 0x31, 0xf9 }, |
| { 0x25, 0x42 }, |
| { 0x21, 0xf0 }, |
| |
| { 0x1c, 0x00 }, |
| { 0x1d, 0x40 }, |
| { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */ |
| { 0x1d, 0x00 }, /* payload size */ |
| |
| { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */ |
| { 0x1d, 0x58 }, /* frame size */ |
| { 0x1d, 0x00 }, /* frame size */ |
| |
| { 0x1c, 0x0a }, |
| { 0x1d, 0x08 }, /* turn on UVC header */ |
| { 0x1d, 0x0e }, /* .. */ |
| |
| { 0x8d, 0x1c }, |
| { 0x8e, 0x80 }, |
| { 0xe5, 0x04 }, |
| |
| { 0xc0, 0x50 }, |
| { 0xc1, 0x3c }, |
| { 0xc2, 0x0c }, |
| }; |
| static const u8 sensor_init_772x[][2] = { |
| { 0x12, 0x80 }, |
| { 0x11, 0x01 }, |
| /*fixme: better have a delay?*/ |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| { 0x11, 0x01 }, |
| |
| { 0x3d, 0x03 }, |
| { 0x17, 0x26 }, |
| { 0x18, 0xa0 }, |
| { 0x19, 0x07 }, |
| { 0x1a, 0xf0 }, |
| { 0x32, 0x00 }, |
| { 0x29, 0xa0 }, |
| { 0x2c, 0xf0 }, |
| { 0x65, 0x20 }, |
| { 0x11, 0x01 }, |
| { 0x42, 0x7f }, |
| { 0x63, 0xaa }, /* AWB - was e0 */ |
| { 0x64, 0xff }, |
| { 0x66, 0x00 }, |
| { 0x13, 0xf0 }, /* com8 */ |
| { 0x0d, 0x41 }, |
| { 0x0f, 0xc5 }, |
| { 0x14, 0x11 }, |
| |
| { 0x22, 0x7f }, |
| { 0x23, 0x03 }, |
| { 0x24, 0x40 }, |
| { 0x25, 0x30 }, |
| { 0x26, 0xa1 }, |
| { 0x2a, 0x00 }, |
| { 0x2b, 0x00 }, |
| { 0x6b, 0xaa }, |
| { 0x13, 0xff }, /* AWB */ |
| |
| { 0x90, 0x05 }, |
| { 0x91, 0x01 }, |
| { 0x92, 0x03 }, |
| { 0x93, 0x00 }, |
| { 0x94, 0x60 }, |
| { 0x95, 0x3c }, |
| { 0x96, 0x24 }, |
| { 0x97, 0x1e }, |
| { 0x98, 0x62 }, |
| { 0x99, 0x80 }, |
| { 0x9a, 0x1e }, |
| { 0x9b, 0x08 }, |
| { 0x9c, 0x20 }, |
| { 0x9e, 0x81 }, |
| |
| { 0xa6, 0x04 }, |
| { 0x7e, 0x0c }, |
| { 0x7f, 0x16 }, |
| { 0x80, 0x2a }, |
| { 0x81, 0x4e }, |
| { 0x82, 0x61 }, |
| { 0x83, 0x6f }, |
| { 0x84, 0x7b }, |
| { 0x85, 0x86 }, |
| { 0x86, 0x8e }, |
| { 0x87, 0x97 }, |
| { 0x88, 0xa4 }, |
| { 0x89, 0xaf }, |
| { 0x8a, 0xc5 }, |
| { 0x8b, 0xd7 }, |
| { 0x8c, 0xe8 }, |
| { 0x8d, 0x20 }, |
| |
| { 0x0c, 0x90 }, |
| |
| { 0x2b, 0x00 }, |
| { 0x22, 0x7f }, |
| { 0x23, 0x03 }, |
| { 0x11, 0x01 }, |
| { 0x0c, 0xd0 }, |
| { 0x64, 0xff }, |
| { 0x0d, 0x41 }, |
| |
| { 0x14, 0x41 }, |
| { 0x0e, 0xcd }, |
| { 0xac, 0xbf }, |
| { 0x8e, 0x00 }, /* De-noise threshold */ |
| { 0x0c, 0xd0 } |
| }; |
| static const u8 bridge_start_vga_772x[][2] = { |
| {0x1c, 0x00}, |
| {0x1d, 0x40}, |
| {0x1d, 0x02}, |
| {0x1d, 0x00}, |
| {0x1d, 0x02}, |
| {0x1d, 0x58}, |
| {0x1d, 0x00}, |
| {0xc0, 0x50}, |
| {0xc1, 0x3c}, |
| }; |
| static const u8 sensor_start_vga_772x[][2] = { |
| {0x12, 0x00}, |
| {0x17, 0x26}, |
| {0x18, 0xa0}, |
| {0x19, 0x07}, |
| {0x1a, 0xf0}, |
| {0x29, 0xa0}, |
| {0x2c, 0xf0}, |
| {0x65, 0x20}, |
| }; |
| static const u8 bridge_start_qvga_772x[][2] = { |
| {0x1c, 0x00}, |
| {0x1d, 0x40}, |
| {0x1d, 0x02}, |
| {0x1d, 0x00}, |
| {0x1d, 0x01}, |
| {0x1d, 0x4b}, |
| {0x1d, 0x00}, |
| {0xc0, 0x28}, |
| {0xc1, 0x1e}, |
| }; |
| static const u8 sensor_start_qvga_772x[][2] = { |
| {0x12, 0x40}, |
| {0x17, 0x3f}, |
| {0x18, 0x50}, |
| {0x19, 0x03}, |
| {0x1a, 0x78}, |
| {0x29, 0x50}, |
| {0x2c, 0x78}, |
| {0x65, 0x2f}, |
| }; |
| |
| static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) |
| { |
| struct usb_device *udev = gspca_dev->dev; |
| int ret; |
| |
| if (gspca_dev->usb_err < 0) |
| return; |
| |
| PDEBUG(D_USBO, "SET 01 0000 %04x %02x", reg, val); |
| gspca_dev->usb_buf[0] = val; |
| ret = usb_control_msg(udev, |
| usb_sndctrlpipe(udev, 0), |
| 0x01, |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); |
| if (ret < 0) { |
| pr_err("write failed %d\n", ret); |
| gspca_dev->usb_err = ret; |
| } |
| } |
| |
| static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) |
| { |
| struct usb_device *udev = gspca_dev->dev; |
| int ret; |
| |
| if (gspca_dev->usb_err < 0) |
| return 0; |
| ret = usb_control_msg(udev, |
| usb_rcvctrlpipe(udev, 0), |
| 0x01, |
| USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); |
| PDEBUG(D_USBI, "GET 01 0000 %04x %02x", reg, gspca_dev->usb_buf[0]); |
| if (ret < 0) { |
| pr_err("read failed %d\n", ret); |
| gspca_dev->usb_err = ret; |
| } |
| return gspca_dev->usb_buf[0]; |
| } |
| |
| /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. |
| * (direction and output)? */ |
| static void ov534_set_led(struct gspca_dev *gspca_dev, int status) |
| { |
| u8 data; |
| |
| PDEBUG(D_CONF, "led status: %d", status); |
| |
| data = ov534_reg_read(gspca_dev, 0x21); |
| data |= 0x80; |
| ov534_reg_write(gspca_dev, 0x21, data); |
| |
| data = ov534_reg_read(gspca_dev, 0x23); |
| if (status) |
| data |= 0x80; |
| else |
| data &= ~0x80; |
| |
| ov534_reg_write(gspca_dev, 0x23, data); |
| |
| if (!status) { |
| data = ov534_reg_read(gspca_dev, 0x21); |
| data &= ~0x80; |
| ov534_reg_write(gspca_dev, 0x21, data); |
| } |
| } |
| |
| static int sccb_check_status(struct gspca_dev *gspca_dev) |
| { |
| u8 data; |
| int i; |
| |
| for (i = 0; i < 5; i++) { |
| data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); |
| |
| switch (data) { |
| case 0x00: |
| return 1; |
| case 0x04: |
| return 0; |
| case 0x03: |
| break; |
| default: |
| PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5", |
| data, i + 1); |
| } |
| } |
| return 0; |
| } |
| |
| static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) |
| { |
| PDEBUG(D_USBO, "sccb write: %02x %02x", reg, val); |
| ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); |
| ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); |
| ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); |
| |
| if (!sccb_check_status(gspca_dev)) { |
| pr_err("sccb_reg_write failed\n"); |
| gspca_dev->usb_err = -EIO; |
| } |
| } |
| |
| static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) |
| { |
| ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); |
| ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); |
| if (!sccb_check_status(gspca_dev)) |
| pr_err("sccb_reg_read failed 1\n"); |
| |
| ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); |
| if (!sccb_check_status(gspca_dev)) |
| pr_err("sccb_reg_read failed 2\n"); |
| |
| return ov534_reg_read(gspca_dev, OV534_REG_READ); |
| } |
| |
| /* output a bridge sequence (reg - val) */ |
| static void reg_w_array(struct gspca_dev *gspca_dev, |
| const u8 (*data)[2], int len) |
| { |
| while (--len >= 0) { |
| ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]); |
| data++; |
| } |
| } |
| |
| /* output a sensor sequence (reg - val) */ |
| static void sccb_w_array(struct gspca_dev *gspca_dev, |
| const u8 (*data)[2], int len) |
| { |
| while (--len >= 0) { |
| if ((*data)[0] != 0xff) { |
| sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]); |
| } else { |
| sccb_reg_read(gspca_dev, (*data)[1]); |
| sccb_reg_write(gspca_dev, 0xff, 0x00); |
| } |
| data++; |
| } |
| } |
| |
| /* ov772x specific controls */ |
| static void set_frame_rate(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int i; |
| struct rate_s { |
| u8 fps; |
| u8 r11; |
| u8 r0d; |
| u8 re5; |
| }; |
| const struct rate_s *r; |
| static const struct rate_s rate_0[] = { /* 640x480 */ |
| {60, 0x01, 0xc1, 0x04}, |
| {50, 0x01, 0x41, 0x02}, |
| {40, 0x02, 0xc1, 0x04}, |
| {30, 0x04, 0x81, 0x02}, |
| {15, 0x03, 0x41, 0x04}, |
| }; |
| static const struct rate_s rate_1[] = { /* 320x240 */ |
| {125, 0x02, 0x81, 0x02}, |
| {100, 0x02, 0xc1, 0x04}, |
| {75, 0x03, 0xc1, 0x04}, |
| {60, 0x04, 0xc1, 0x04}, |
| {50, 0x02, 0x41, 0x04}, |
| {40, 0x03, 0x41, 0x04}, |
| {30, 0x04, 0x41, 0x04}, |
| }; |
| |
| if (sd->sensor != SENSOR_OV772x) |
| return; |
| if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) { |
| r = rate_0; |
| i = ARRAY_SIZE(rate_0); |
| } else { |
| r = rate_1; |
| i = ARRAY_SIZE(rate_1); |
| } |
| while (--i > 0) { |
| if (sd->frame_rate >= r->fps) |
| break; |
| r++; |
| } |
| |
| sccb_reg_write(gspca_dev, 0x11, r->r11); |
| sccb_reg_write(gspca_dev, 0x0d, r->r0d); |
| ov534_reg_write(gspca_dev, 0xe5, r->re5); |
| |
| PDEBUG(D_PROBE, "frame_rate: %d", r->fps); |
| } |
| |
| static void setbrightness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int val; |
| |
| val = sd->ctrls[BRIGHTNESS].val; |
| if (sd->sensor == SENSOR_OV767x) { |
| if (val < 0) |
| val = 0x80 - val; |
| sccb_reg_write(gspca_dev, 0x55, val); /* bright */ |
| } else { |
| sccb_reg_write(gspca_dev, 0x9b, val); |
| } |
| } |
| |
| static void setcontrast(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| val = sd->ctrls[CONTRAST].val; |
| if (sd->sensor == SENSOR_OV767x) |
| sccb_reg_write(gspca_dev, 0x56, val); /* contras */ |
| else |
| sccb_reg_write(gspca_dev, 0x9c, val); |
| } |
| |
| static void setgain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| if (sd->ctrls[AGC].val) |
| return; |
| |
| val = sd->ctrls[GAIN].val; |
| switch (val & 0x30) { |
| case 0x00: |
| val &= 0x0f; |
| break; |
| case 0x10: |
| val &= 0x0f; |
| val |= 0x30; |
| break; |
| case 0x20: |
| val &= 0x0f; |
| val |= 0x70; |
| break; |
| default: |
| /* case 0x30: */ |
| val &= 0x0f; |
| val |= 0xf0; |
| break; |
| } |
| sccb_reg_write(gspca_dev, 0x00, val); |
| } |
| |
| static void setexposure(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| if (sd->ctrls[AEC].val) |
| return; |
| |
| val = sd->ctrls[EXPOSURE].val; |
| if (sd->sensor == SENSOR_OV767x) { |
| |
| /* set only aec[9:2] */ |
| sccb_reg_write(gspca_dev, 0x10, val); /* aech */ |
| } else { |
| |
| /* 'val' is one byte and represents half of the exposure value |
| * we are going to set into registers, a two bytes value: |
| * |
| * MSB: ((u16) val << 1) >> 8 == val >> 7 |
| * LSB: ((u16) val << 1) & 0xff == val << 1 |
| */ |
| sccb_reg_write(gspca_dev, 0x08, val >> 7); |
| sccb_reg_write(gspca_dev, 0x10, val << 1); |
| } |
| } |
| |
| static void setagc(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->ctrls[AGC].val) { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) | 0x04); |
| sccb_reg_write(gspca_dev, 0x64, |
| sccb_reg_read(gspca_dev, 0x64) | 0x03); |
| } else { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) & ~0x04); |
| sccb_reg_write(gspca_dev, 0x64, |
| sccb_reg_read(gspca_dev, 0x64) & ~0x03); |
| |
| setgain(gspca_dev); |
| } |
| } |
| |
| static void setawb(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->ctrls[AWB].val) { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) | 0x02); |
| if (sd->sensor == SENSOR_OV772x) |
| sccb_reg_write(gspca_dev, 0x63, |
| sccb_reg_read(gspca_dev, 0x63) | 0xc0); |
| } else { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) & ~0x02); |
| if (sd->sensor == SENSOR_OV772x) |
| sccb_reg_write(gspca_dev, 0x63, |
| sccb_reg_read(gspca_dev, 0x63) & ~0xc0); |
| } |
| } |
| |
| static void setaec(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 data; |
| |
| data = sd->sensor == SENSOR_OV767x ? |
| 0x05 : /* agc + aec */ |
| 0x01; /* agc */ |
| if (sd->ctrls[AEC].val) |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) | data); |
| else { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) & ~data); |
| if (sd->sensor == SENSOR_OV767x) |
| sd->ctrls[EXPOSURE].val = |
| sccb_reg_read(gspca_dev, 10); /* aech */ |
| else |
| setexposure(gspca_dev); |
| } |
| } |
| |
| static void setsharpness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| val = sd->ctrls[SHARPNESS].val; |
| sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */ |
| sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */ |
| } |
| |
| static void sethvflip(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| if (sd->sensor == SENSOR_OV767x) { |
| val = sccb_reg_read(gspca_dev, 0x1e); /* mvfp */ |
| val &= ~0x30; |
| if (sd->ctrls[HFLIP].val) |
| val |= 0x20; |
| if (sd->ctrls[VFLIP].val) |
| val |= 0x10; |
| sccb_reg_write(gspca_dev, 0x1e, val); |
| } else { |
| val = sccb_reg_read(gspca_dev, 0x0c); |
| val &= ~0xc0; |
| if (sd->ctrls[HFLIP].val == 0) |
| val |= 0x40; |
| if (sd->ctrls[VFLIP].val == 0) |
| val |= 0x80; |
| sccb_reg_write(gspca_dev, 0x0c, val); |
| } |
| } |
| |
| static void setcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| int i; |
| static u8 color_tb[][6] = { |
| {0x42, 0x42, 0x00, 0x11, 0x30, 0x41}, |
| {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52}, |
| {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66}, |
| {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80}, |
| {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a}, |
| {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8}, |
| {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd}, |
| }; |
| |
| val = sd->ctrls[COLORS].val; |
| for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++) |
| sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]); |
| } |
| |
| static void setlightfreq(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| val = sd->ctrls[LIGHTFREQ].val ? 0x9e : 0x00; |
| if (sd->sensor == SENSOR_OV767x) { |
| sccb_reg_write(gspca_dev, 0x2a, 0x00); |
| if (val) |
| val = 0x9d; /* insert dummy to 25fps for 50Hz */ |
| } |
| sccb_reg_write(gspca_dev, 0x2b, val); |
| } |
| |
| |
| /* this function is called at probe time */ |
| static int sd_config(struct gspca_dev *gspca_dev, |
| const struct usb_device_id *id) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| struct cam *cam; |
| |
| cam = &gspca_dev->cam; |
| |
| cam->ctrls = sd->ctrls; |
| |
| /* the auto white balance control works only when auto gain is set */ |
| if (sd_ctrls[AGC].qctrl.default_value == 0) |
| gspca_dev->ctrl_inac |= (1 << AWB); |
| |
| cam->cam_mode = ov772x_mode; |
| cam->nmodes = ARRAY_SIZE(ov772x_mode); |
| |
| sd->frame_rate = 30; |
| |
| return 0; |
| } |
| |
| /* this function is called at probe and resume time */ |
| static int sd_init(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u16 sensor_id; |
| static const struct reg_array bridge_init[NSENSORS] = { |
| [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)}, |
| [SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)}, |
| }; |
| static const struct reg_array sensor_init[NSENSORS] = { |
| [SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)}, |
| [SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)}, |
| }; |
| |
| /* reset bridge */ |
| ov534_reg_write(gspca_dev, 0xe7, 0x3a); |
| ov534_reg_write(gspca_dev, 0xe0, 0x08); |
| msleep(100); |
| |
| /* initialize the sensor address */ |
| ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42); |
| |
| /* reset sensor */ |
| sccb_reg_write(gspca_dev, 0x12, 0x80); |
| msleep(10); |
| |
| /* probe the sensor */ |
| sccb_reg_read(gspca_dev, 0x0a); |
| sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8; |
| sccb_reg_read(gspca_dev, 0x0b); |
| sensor_id |= sccb_reg_read(gspca_dev, 0x0b); |
| PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id); |
| |
| if ((sensor_id & 0xfff0) == 0x7670) { |
| sd->sensor = SENSOR_OV767x; |
| gspca_dev->ctrl_dis = (1 << GAIN) | |
| (1 << AGC) | |
| (1 << SHARPNESS); /* auto */ |
| sd->ctrls[BRIGHTNESS].min = -127; |
| sd->ctrls[BRIGHTNESS].max = 127; |
| sd->ctrls[BRIGHTNESS].def = 0; |
| sd->ctrls[CONTRAST].max = 0x80; |
| sd->ctrls[CONTRAST].def = 0x40; |
| sd->ctrls[EXPOSURE].min = 0x08; |
| sd->ctrls[EXPOSURE].max = 0x60; |
| sd->ctrls[EXPOSURE].def = 0x13; |
| sd->ctrls[SHARPNESS].max = 9; |
| sd->ctrls[SHARPNESS].def = 4; |
| sd->ctrls[HFLIP].def = 1; |
| gspca_dev->cam.cam_mode = ov767x_mode; |
| gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode); |
| } else { |
| sd->sensor = SENSOR_OV772x; |
| gspca_dev->ctrl_dis = (1 << COLORS); |
| gspca_dev->cam.bulk = 1; |
| gspca_dev->cam.bulk_size = 16384; |
| gspca_dev->cam.bulk_nurbs = 2; |
| gspca_dev->cam.mode_framerates = ov772x_framerates; |
| } |
| |
| /* initialize */ |
| reg_w_array(gspca_dev, bridge_init[sd->sensor].val, |
| bridge_init[sd->sensor].len); |
| ov534_set_led(gspca_dev, 1); |
| sccb_w_array(gspca_dev, sensor_init[sd->sensor].val, |
| sensor_init[sd->sensor].len); |
| if (sd->sensor == SENSOR_OV767x) |
| sd_start(gspca_dev); |
| sd_stopN(gspca_dev); |
| /* set_frame_rate(gspca_dev); */ |
| |
| return gspca_dev->usb_err; |
| } |
| |
| static int sd_start(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int mode; |
| static const struct reg_array bridge_start[NSENSORS][2] = { |
| [SENSOR_OV767x] = {{bridge_start_qvga_767x, |
| ARRAY_SIZE(bridge_start_qvga_767x)}, |
| {bridge_start_vga_767x, |
| ARRAY_SIZE(bridge_start_vga_767x)}}, |
| [SENSOR_OV772x] = {{bridge_start_qvga_772x, |
| ARRAY_SIZE(bridge_start_qvga_772x)}, |
| {bridge_start_vga_772x, |
| ARRAY_SIZE(bridge_start_vga_772x)}}, |
| }; |
| static const struct reg_array sensor_start[NSENSORS][2] = { |
| [SENSOR_OV767x] = {{sensor_start_qvga_767x, |
| ARRAY_SIZE(sensor_start_qvga_767x)}, |
| {sensor_start_vga_767x, |
| ARRAY_SIZE(sensor_start_vga_767x)}}, |
| [SENSOR_OV772x] = {{sensor_start_qvga_772x, |
| ARRAY_SIZE(sensor_start_qvga_772x)}, |
| {sensor_start_vga_772x, |
| ARRAY_SIZE(sensor_start_vga_772x)}}, |
| }; |
| |
| /* (from ms-win trace) */ |
| if (sd->sensor == SENSOR_OV767x) |
| sccb_reg_write(gspca_dev, 0x1e, 0x04); |
| /* black sun enable ? */ |
| |
| mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */ |
| reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val, |
| bridge_start[sd->sensor][mode].len); |
| sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val, |
| sensor_start[sd->sensor][mode].len); |
| |
| set_frame_rate(gspca_dev); |
| |
| if (!(gspca_dev->ctrl_dis & (1 << AGC))) |
| setagc(gspca_dev); |
| setawb(gspca_dev); |
| setaec(gspca_dev); |
| if (!(gspca_dev->ctrl_dis & (1 << GAIN))) |
| setgain(gspca_dev); |
| setexposure(gspca_dev); |
| setbrightness(gspca_dev); |
| setcontrast(gspca_dev); |
| if (!(gspca_dev->ctrl_dis & (1 << SHARPNESS))) |
| setsharpness(gspca_dev); |
| sethvflip(gspca_dev); |
| if (!(gspca_dev->ctrl_dis & (1 << COLORS))) |
| setcolors(gspca_dev); |
| setlightfreq(gspca_dev); |
| |
| ov534_set_led(gspca_dev, 1); |
| ov534_reg_write(gspca_dev, 0xe0, 0x00); |
| return gspca_dev->usb_err; |
| } |
| |
| static void sd_stopN(struct gspca_dev *gspca_dev) |
| { |
| ov534_reg_write(gspca_dev, 0xe0, 0x09); |
| ov534_set_led(gspca_dev, 0); |
| } |
| |
| /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ |
| #define UVC_STREAM_EOH (1 << 7) |
| #define UVC_STREAM_ERR (1 << 6) |
| #define UVC_STREAM_STI (1 << 5) |
| #define UVC_STREAM_RES (1 << 4) |
| #define UVC_STREAM_SCR (1 << 3) |
| #define UVC_STREAM_PTS (1 << 2) |
| #define UVC_STREAM_EOF (1 << 1) |
| #define UVC_STREAM_FID (1 << 0) |
| |
| static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| u8 *data, int len) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| __u32 this_pts; |
| u16 this_fid; |
| int remaining_len = len; |
| int payload_len; |
| |
| payload_len = gspca_dev->cam.bulk ? 2048 : 2040; |
| do { |
| len = min(remaining_len, payload_len); |
| |
| /* Payloads are prefixed with a UVC-style header. We |
| consider a frame to start when the FID toggles, or the PTS |
| changes. A frame ends when EOF is set, and we've received |
| the correct number of bytes. */ |
| |
| /* Verify UVC header. Header length is always 12 */ |
| if (data[0] != 12 || len < 12) { |
| PDEBUG(D_PACK, "bad header"); |
| goto discard; |
| } |
| |
| /* Check errors */ |
| if (data[1] & UVC_STREAM_ERR) { |
| PDEBUG(D_PACK, "payload error"); |
| goto discard; |
| } |
| |
| /* Extract PTS and FID */ |
| if (!(data[1] & UVC_STREAM_PTS)) { |
| PDEBUG(D_PACK, "PTS not present"); |
| goto discard; |
| } |
| this_pts = (data[5] << 24) | (data[4] << 16) |
| | (data[3] << 8) | data[2]; |
| this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; |
| |
| /* If PTS or FID has changed, start a new frame. */ |
| if (this_pts != sd->last_pts || this_fid != sd->last_fid) { |
| if (gspca_dev->last_packet_type == INTER_PACKET) |
| gspca_frame_add(gspca_dev, LAST_PACKET, |
| NULL, 0); |
| sd->last_pts = this_pts; |
| sd->last_fid = this_fid; |
| gspca_frame_add(gspca_dev, FIRST_PACKET, |
| data + 12, len - 12); |
| /* If this packet is marked as EOF, end the frame */ |
| } else if (data[1] & UVC_STREAM_EOF) { |
| sd->last_pts = 0; |
| if (gspca_dev->pixfmt == V4L2_PIX_FMT_YUYV |
| && gspca_dev->image_len + len - 12 != |
| gspca_dev->width * gspca_dev->height * 2) { |
| PDEBUG(D_PACK, "wrong sized frame"); |
| goto discard; |
| } |
| gspca_frame_add(gspca_dev, LAST_PACKET, |
| data + 12, len - 12); |
| } else { |
| |
| /* Add the data from this payload */ |
| gspca_frame_add(gspca_dev, INTER_PACKET, |
| data + 12, len - 12); |
| } |
| |
| /* Done this payload */ |
| goto scan_next; |
| |
| discard: |
| /* Discard data until a new frame starts. */ |
| gspca_dev->last_packet_type = DISCARD_PACKET; |
| |
| scan_next: |
| remaining_len -= len; |
| data += len; |
| } while (remaining_len > 0); |
| } |
| |
| static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->ctrls[AGC].val = val; |
| |
| /* the auto white balance control works only |
| * when auto gain is set */ |
| if (val) { |
| gspca_dev->ctrl_inac &= ~(1 << AWB); |
| } else { |
| gspca_dev->ctrl_inac |= (1 << AWB); |
| if (sd->ctrls[AWB].val) { |
| sd->ctrls[AWB].val = 0; |
| if (gspca_dev->streaming) |
| setawb(gspca_dev); |
| } |
| } |
| if (gspca_dev->streaming) |
| setagc(gspca_dev); |
| return gspca_dev->usb_err; |
| } |
| |
| static int sd_querymenu(struct gspca_dev *gspca_dev, |
| struct v4l2_querymenu *menu) |
| { |
| switch (menu->id) { |
| case V4L2_CID_POWER_LINE_FREQUENCY: |
| switch (menu->index) { |
| case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ |
| strcpy((char *) menu->name, "Disabled"); |
| return 0; |
| case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ |
| strcpy((char *) menu->name, "50 Hz"); |
| return 0; |
| } |
| break; |
| } |
| |
| return -EINVAL; |
| } |
| |
| /* get stream parameters (framerate) */ |
| static void sd_get_streamparm(struct gspca_dev *gspca_dev, |
| struct v4l2_streamparm *parm) |
| { |
| struct v4l2_captureparm *cp = &parm->parm.capture; |
| struct v4l2_fract *tpf = &cp->timeperframe; |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| cp->capability |= V4L2_CAP_TIMEPERFRAME; |
| tpf->numerator = 1; |
| tpf->denominator = sd->frame_rate; |
| } |
| |
| /* set stream parameters (framerate) */ |
| static void sd_set_streamparm(struct gspca_dev *gspca_dev, |
| struct v4l2_streamparm *parm) |
| { |
| struct v4l2_captureparm *cp = &parm->parm.capture; |
| struct v4l2_fract *tpf = &cp->timeperframe; |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| /* Set requested framerate */ |
| sd->frame_rate = tpf->denominator / tpf->numerator; |
| if (gspca_dev->streaming) |
| set_frame_rate(gspca_dev); |
| |
| /* Return the actual framerate */ |
| tpf->numerator = 1; |
| tpf->denominator = sd->frame_rate; |
| } |
| |
| /* sub-driver description */ |
| static const struct sd_desc sd_desc = { |
| .name = MODULE_NAME, |
| .ctrls = sd_ctrls, |
| .nctrls = ARRAY_SIZE(sd_ctrls), |
| .config = sd_config, |
| .init = sd_init, |
| .start = sd_start, |
| .stopN = sd_stopN, |
| .pkt_scan = sd_pkt_scan, |
| .querymenu = sd_querymenu, |
| .get_streamparm = sd_get_streamparm, |
| .set_streamparm = sd_set_streamparm, |
| }; |
| |
| /* -- module initialisation -- */ |
| static const struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x1415, 0x2000)}, |
| {USB_DEVICE(0x06f8, 0x3002)}, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(usb, device_table); |
| |
| /* -- device connect -- */ |
| static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| { |
| return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| THIS_MODULE); |
| } |
| |
| static struct usb_driver sd_driver = { |
| .name = MODULE_NAME, |
| .id_table = device_table, |
| .probe = sd_probe, |
| .disconnect = gspca_disconnect, |
| #ifdef CONFIG_PM |
| .suspend = gspca_suspend, |
| .resume = gspca_resume, |
| #endif |
| }; |
| |
| /* -- module insert / remove -- */ |
| static int __init sd_mod_init(void) |
| { |
| return usb_register(&sd_driver); |
| } |
| |
| static void __exit sd_mod_exit(void) |
| { |
| usb_deregister(&sd_driver); |
| } |
| |
| module_init(sd_mod_init); |
| module_exit(sd_mod_exit); |
