| /* |
| * ov534-ov772x 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 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"); |
| |
| /* specific webcam descriptor */ |
| struct sd { |
| struct gspca_dev gspca_dev; /* !! must be the first item */ |
| __u32 last_pts; |
| u16 last_fid; |
| u8 frame_rate; |
| |
| u8 brightness; |
| u8 contrast; |
| u8 gain; |
| u8 exposure; |
| u8 agc; |
| u8 awb; |
| u8 aec; |
| s8 sharpness; |
| u8 hflip; |
| u8 vflip; |
| u8 freqfltr; |
| }; |
| |
| /* V4L2 controls supported by the driver */ |
| static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setfreqfltr(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getfreqfltr(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_querymenu(struct gspca_dev *gspca_dev, |
| struct v4l2_querymenu *menu); |
| |
| static const struct ctrl sd_ctrls[] = { |
| { /* 0 */ |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define BRIGHTNESS_DEF 0 |
| .default_value = BRIGHTNESS_DEF, |
| }, |
| .set = sd_setbrightness, |
| .get = sd_getbrightness, |
| }, |
| { /* 1 */ |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define CONTRAST_DEF 32 |
| .default_value = CONTRAST_DEF, |
| }, |
| .set = sd_setcontrast, |
| .get = sd_getcontrast, |
| }, |
| { /* 2 */ |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Main Gain", |
| .minimum = 0, |
| .maximum = 63, |
| .step = 1, |
| #define GAIN_DEF 20 |
| .default_value = GAIN_DEF, |
| }, |
| .set = sd_setgain, |
| .get = sd_getgain, |
| }, |
| { /* 3 */ |
| { |
| .id = V4L2_CID_EXPOSURE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Exposure", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define EXPO_DEF 120 |
| .default_value = EXPO_DEF, |
| }, |
| .set = sd_setexposure, |
| .get = sd_getexposure, |
| }, |
| { /* 4 */ |
| { |
| .id = V4L2_CID_AUTOGAIN, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto Gain", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define AGC_DEF 1 |
| .default_value = AGC_DEF, |
| }, |
| .set = sd_setagc, |
| .get = sd_getagc, |
| }, |
| #define AWB_IDX 5 |
| { /* 5 */ |
| { |
| .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto White Balance", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define AWB_DEF 1 |
| .default_value = AWB_DEF, |
| }, |
| .set = sd_setawb, |
| .get = sd_getawb, |
| }, |
| { /* 6 */ |
| { |
| .id = V4L2_CID_EXPOSURE_AUTO, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto Exposure", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define AEC_DEF 1 |
| .default_value = AEC_DEF, |
| }, |
| .set = sd_setaec, |
| .get = sd_getaec, |
| }, |
| { /* 7 */ |
| { |
| .id = V4L2_CID_SHARPNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Sharpness", |
| .minimum = 0, |
| .maximum = 63, |
| .step = 1, |
| #define SHARPNESS_DEF 0 |
| .default_value = SHARPNESS_DEF, |
| }, |
| .set = sd_setsharpness, |
| .get = sd_getsharpness, |
| }, |
| { /* 8 */ |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "HFlip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define HFLIP_DEF 0 |
| .default_value = HFLIP_DEF, |
| }, |
| .set = sd_sethflip, |
| .get = sd_gethflip, |
| }, |
| { /* 9 */ |
| { |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "VFlip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define VFLIP_DEF 0 |
| .default_value = VFLIP_DEF, |
| }, |
| .set = sd_setvflip, |
| .get = sd_getvflip, |
| }, |
| { /* 10 */ |
| { |
| .id = V4L2_CID_POWER_LINE_FREQUENCY, |
| .type = V4L2_CTRL_TYPE_MENU, |
| .name = "Light Frequency Filter", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define FREQFLTR_DEF 0 |
| .default_value = FREQFLTR_DEF, |
| }, |
| .set = sd_setfreqfltr, |
| .get = sd_getfreqfltr, |
| }, |
| }; |
| |
| 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 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), |
| }, |
| }; |
| |
| static const u8 bridge_init[][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[][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[][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[][2] = { |
| {0x12, 0x00}, |
| {0x17, 0x26}, |
| {0x18, 0xa0}, |
| {0x19, 0x07}, |
| {0x1a, 0xf0}, |
| {0x29, 0xa0}, |
| {0x2c, 0xf0}, |
| {0x65, 0x20}, |
| }; |
| static const u8 bridge_start_qvga[][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[][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; |
| |
| PDEBUG(D_USBO, "reg=0x%04x, val=0%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) |
| err("write failed %d", ret); |
| } |
| |
| static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) |
| { |
| struct usb_device *udev = gspca_dev->dev; |
| int ret; |
| |
| 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, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]); |
| if (ret < 0) |
| err("read failed %d", 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, "reg: 0x%02x, val: 0x%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)) |
| err("sccb_reg_write failed"); |
| } |
| |
| 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)) |
| err("sccb_reg_read failed 1"); |
| |
| ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); |
| if (!sccb_check_status(gspca_dev)) |
| err("sccb_reg_read failed 2"); |
| |
| 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 (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; |
| |
| sccb_reg_write(gspca_dev, 0x9b, sd->brightness); |
| } |
| |
| static void setcontrast(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sccb_reg_write(gspca_dev, 0x9c, sd->contrast); |
| } |
| |
| static void setgain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| if (sd->agc) |
| return; |
| |
| val = sd->gain; |
| 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->aec) |
| return; |
| |
| /* '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 |
| */ |
| val = sd->exposure; |
| 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->agc) { |
| 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->awb) { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) | 0x02); |
| 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); |
| 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; |
| |
| if (sd->aec) |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) | 0x01); |
| else { |
| sccb_reg_write(gspca_dev, 0x13, |
| sccb_reg_read(gspca_dev, 0x13) & ~0x01); |
| setexposure(gspca_dev); |
| } |
| } |
| |
| static void setsharpness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| u8 val; |
| |
| val = sd->sharpness; |
| sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */ |
| sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */ |
| } |
| |
| static void sethflip(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->hflip == 0) |
| sccb_reg_write(gspca_dev, 0x0c, |
| sccb_reg_read(gspca_dev, 0x0c) | 0x40); |
| else |
| sccb_reg_write(gspca_dev, 0x0c, |
| sccb_reg_read(gspca_dev, 0x0c) & ~0x40); |
| } |
| |
| static void setvflip(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->vflip == 0) |
| sccb_reg_write(gspca_dev, 0x0c, |
| sccb_reg_read(gspca_dev, 0x0c) | 0x80); |
| else |
| sccb_reg_write(gspca_dev, 0x0c, |
| sccb_reg_read(gspca_dev, 0x0c) & ~0x80); |
| } |
| |
| static void setfreqfltr(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->freqfltr == 0) |
| sccb_reg_write(gspca_dev, 0x2b, 0x00); |
| else |
| sccb_reg_write(gspca_dev, 0x2b, 0x9e); |
| } |
| |
| |
| /* 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->cam_mode = ov772x_mode; |
| cam->nmodes = ARRAY_SIZE(ov772x_mode); |
| cam->mode_framerates = ov772x_framerates; |
| |
| cam->bulk = 1; |
| cam->bulk_size = 16384; |
| cam->bulk_nurbs = 2; |
| |
| sd->frame_rate = 30; |
| |
| sd->brightness = BRIGHTNESS_DEF; |
| sd->contrast = CONTRAST_DEF; |
| sd->gain = GAIN_DEF; |
| sd->exposure = EXPO_DEF; |
| #if AGC_DEF != 0 |
| sd->agc = AGC_DEF; |
| #else |
| gspca_dev->ctrl_inac |= (1 << AWB_IDX); |
| #endif |
| sd->awb = AWB_DEF; |
| sd->aec = AEC_DEF; |
| sd->sharpness = SHARPNESS_DEF; |
| sd->hflip = HFLIP_DEF; |
| sd->vflip = VFLIP_DEF; |
| sd->freqfltr = FREQFLTR_DEF; |
| |
| return 0; |
| } |
| |
| /* this function is called at probe and resume time */ |
| static int sd_init(struct gspca_dev *gspca_dev) |
| { |
| u16 sensor_id; |
| |
| /* 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); |
| |
| /* initialize */ |
| reg_w_array(gspca_dev, bridge_init, |
| ARRAY_SIZE(bridge_init)); |
| ov534_set_led(gspca_dev, 1); |
| sccb_w_array(gspca_dev, sensor_init, |
| ARRAY_SIZE(sensor_init)); |
| ov534_reg_write(gspca_dev, 0xe0, 0x09); |
| ov534_set_led(gspca_dev, 0); |
| set_frame_rate(gspca_dev); |
| |
| return 0; |
| } |
| |
| static int sd_start(struct gspca_dev *gspca_dev) |
| { |
| int mode; |
| |
| mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; |
| if (mode != 0) { /* 320x240 */ |
| reg_w_array(gspca_dev, bridge_start_qvga, |
| ARRAY_SIZE(bridge_start_qvga)); |
| sccb_w_array(gspca_dev, sensor_start_qvga, |
| ARRAY_SIZE(sensor_start_qvga)); |
| } else { /* 640x480 */ |
| reg_w_array(gspca_dev, bridge_start_vga, |
| ARRAY_SIZE(bridge_start_vga)); |
| sccb_w_array(gspca_dev, sensor_start_vga, |
| ARRAY_SIZE(sensor_start_vga)); |
| } |
| set_frame_rate(gspca_dev); |
| |
| setagc(gspca_dev); |
| setawb(gspca_dev); |
| setaec(gspca_dev); |
| setgain(gspca_dev); |
| setexposure(gspca_dev); |
| setbrightness(gspca_dev); |
| setcontrast(gspca_dev); |
| setsharpness(gspca_dev); |
| setvflip(gspca_dev); |
| sethflip(gspca_dev); |
| setfreqfltr(gspca_dev); |
| |
| ov534_set_led(gspca_dev, 1); |
| ov534_reg_write(gspca_dev, 0xe0, 0x00); |
| return 0; |
| } |
| |
| 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; |
| |
| do { |
| len = min(remaining_len, 2048); |
| |
| /* 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->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); |
| } |
| |
| /* controls */ |
| static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->gain = val; |
| if (gspca_dev->streaming) |
| setgain(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->gain; |
| return 0; |
| } |
| |
| static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->exposure = val; |
| if (gspca_dev->streaming) |
| setexposure(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->exposure; |
| return 0; |
| } |
| |
| static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->brightness = val; |
| if (gspca_dev->streaming) |
| setbrightness(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->brightness; |
| return 0; |
| } |
| |
| static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->contrast = val; |
| if (gspca_dev->streaming) |
| setcontrast(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->contrast; |
| return 0; |
| } |
| |
| static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->agc = val; |
| |
| if (gspca_dev->streaming) { |
| |
| /* the auto white balance control works only |
| * when auto gain is set */ |
| if (val) |
| gspca_dev->ctrl_inac &= ~(1 << AWB_IDX); |
| else |
| gspca_dev->ctrl_inac |= (1 << AWB_IDX); |
| setagc(gspca_dev); |
| } |
| return 0; |
| } |
| |
| static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->agc; |
| return 0; |
| } |
| |
| static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->awb = val; |
| if (gspca_dev->streaming) |
| setawb(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->awb; |
| return 0; |
| } |
| |
| static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->aec = val; |
| if (gspca_dev->streaming) |
| setaec(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->aec; |
| return 0; |
| } |
| |
| static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->sharpness = val; |
| if (gspca_dev->streaming) |
| setsharpness(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->sharpness; |
| return 0; |
| } |
| |
| static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->hflip = val; |
| if (gspca_dev->streaming) |
| sethflip(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->hflip; |
| return 0; |
| } |
| |
| static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->vflip = val; |
| if (gspca_dev->streaming) |
| setvflip(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->vflip; |
| return 0; |
| } |
| |
| static int sd_setfreqfltr(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->freqfltr = val; |
| if (gspca_dev->streaming) |
| setfreqfltr(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getfreqfltr(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->freqfltr; |
| return 0; |
| } |
| |
| 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 int 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; |
| |
| if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| return -EINVAL; |
| |
| cp->capability |= V4L2_CAP_TIMEPERFRAME; |
| tpf->numerator = 1; |
| tpf->denominator = sd->frame_rate; |
| |
| return 0; |
| } |
| |
| /* set stream parameters (framerate) */ |
| static int 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; |
| |
| if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| return -EINVAL; |
| |
| /* 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; |
| |
| return 0; |
| } |
| |
| /* 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 __devinitdata struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x1415, 0x2000)}, |
| {} |
| }; |
| |
| 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); |
