diff options
Diffstat (limited to 'drivers/media/video/gspca/ov534.c')
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 1329 |
1 files changed, 0 insertions, 1329 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c deleted file mode 100644 index 0edf93973b1..00000000000 --- a/drivers/media/video/gspca/ov534.c +++ /dev/null @@ -1,1329 +0,0 @@ -/* - * 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 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 __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); |