diff options
Diffstat (limited to 'drivers/media/video/gspca/ov534.c')
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 1544 |
1 files changed, 0 insertions, 1544 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c deleted file mode 100644 index bb09d7884b8..00000000000 --- a/drivers/media/video/gspca/ov534.c +++ /dev/null @@ -1,1544 +0,0 @@ -/* - * 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" - -#include <linux/fixp-arith.h> -#include <media/v4l2-ctrls.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 */ - - struct v4l2_ctrl_handler ctrl_handler; - struct v4l2_ctrl *hue; - struct v4l2_ctrl *saturation; - struct v4l2_ctrl *brightness; - struct v4l2_ctrl *contrast; - struct { /* gain control cluster */ - struct v4l2_ctrl *autogain; - struct v4l2_ctrl *gain; - }; - struct v4l2_ctrl *autowhitebalance; - struct { /* exposure control cluster */ - struct v4l2_ctrl *autoexposure; - struct v4l2_ctrl *exposure; - }; - struct v4l2_ctrl *sharpness; - struct v4l2_ctrl *hflip; - struct v4l2_ctrl *vflip; - struct v4l2_ctrl *plfreq; - - __u32 last_pts; - u16 last_fid; - u8 frame_rate; - - u8 sensor; -}; -enum sensors { - SENSOR_OV767x, - SENSOR_OV772x, - NSENSORS -}; - -static int sd_start(struct gspca_dev *gspca_dev); -static void sd_stopN(struct gspca_dev *gspca_dev); - - -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, 0x07 }, - { 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++) { - msleep(10); - 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 sethue(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (sd->sensor == SENSOR_OV767x) { - /* TBD */ - } else { - s16 huesin; - s16 huecos; - - /* fixp_sin and fixp_cos accept only positive values, while - * our val is between -90 and 90 - */ - val += 360; - - /* According to the datasheet the registers expect HUESIN and - * HUECOS to be the result of the trigonometric functions, - * scaled by 0x80. - * - * The 0x100 here represents the maximun absolute value - * returned byt fixp_sin and fixp_cos, so the scaling will - * consider the result like in the interval [-1.0, 1.0]. - */ - huesin = fixp_sin(val) * 0x80 / 0x100; - huecos = fixp_cos(val) * 0x80 / 0x100; - - if (huesin < 0) { - sccb_reg_write(gspca_dev, 0xab, - sccb_reg_read(gspca_dev, 0xab) | 0x2); - huesin = -huesin; - } else { - sccb_reg_write(gspca_dev, 0xab, - sccb_reg_read(gspca_dev, 0xab) & ~0x2); - - } - sccb_reg_write(gspca_dev, 0xa9, (u8)huecos); - sccb_reg_write(gspca_dev, 0xaa, (u8)huesin); - } -} - -static void setsaturation(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (sd->sensor == SENSOR_OV767x) { - 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}, - }; - - for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++) - sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]); - } else { - sccb_reg_write(gspca_dev, 0xa7, val); /* U saturation */ - sccb_reg_write(gspca_dev, 0xa8, val); /* V saturation */ - } -} - -static void setbrightness(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - 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, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - 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, s32 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 s32 getgain(struct gspca_dev *gspca_dev) -{ - return sccb_reg_read(gspca_dev, 0x00); -} - -static void setexposure(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - 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 s32 getexposure(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (sd->sensor == SENSOR_OV767x) { - /* get only aec[9:2] */ - return sccb_reg_read(gspca_dev, 0x10); /* aech */ - } else { - u8 hi = sccb_reg_read(gspca_dev, 0x08); - u8 lo = sccb_reg_read(gspca_dev, 0x10); - return (hi << 8 | lo) >> 1; - } -} - -static void setagc(struct gspca_dev *gspca_dev, s32 val) -{ - if (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); - } -} - -static void setawb(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (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, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - u8 data; - - data = sd->sensor == SENSOR_OV767x ? - 0x05 : /* agc + aec */ - 0x01; /* agc */ - switch (val) { - case V4L2_EXPOSURE_AUTO: - sccb_reg_write(gspca_dev, 0x13, - sccb_reg_read(gspca_dev, 0x13) | data); - break; - case V4L2_EXPOSURE_MANUAL: - sccb_reg_write(gspca_dev, 0x13, - sccb_reg_read(gspca_dev, 0x13) & ~data); - break; - } -} - -static void setsharpness(struct gspca_dev *gspca_dev, s32 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, s32 hflip, s32 vflip) -{ - 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 (hflip) - val |= 0x20; - if (vflip) - val |= 0x10; - sccb_reg_write(gspca_dev, 0x1e, val); - } else { - val = sccb_reg_read(gspca_dev, 0x0c); - val &= ~0xc0; - if (hflip == 0) - val |= 0x40; - if (vflip == 0) - val |= 0x80; - sccb_reg_write(gspca_dev, 0x0c, val); - } -} - -static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - val = 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->cam_mode = ov772x_mode; - cam->nmodes = ARRAY_SIZE(ov772x_mode); - - sd->frame_rate = 30; - - return 0; -} - -static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl) -{ - struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); - struct gspca_dev *gspca_dev = &sd->gspca_dev; - - switch (ctrl->id) { - case V4L2_CID_AUTOGAIN: - gspca_dev->usb_err = 0; - if (ctrl->val && sd->gain && gspca_dev->streaming) - sd->gain->val = getgain(gspca_dev); - return gspca_dev->usb_err; - - case V4L2_CID_EXPOSURE_AUTO: - gspca_dev->usb_err = 0; - if (ctrl->val == V4L2_EXPOSURE_AUTO && sd->exposure && - gspca_dev->streaming) - sd->exposure->val = getexposure(gspca_dev); - return gspca_dev->usb_err; - } - return -EINVAL; -} - -static int ov534_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); - struct gspca_dev *gspca_dev = &sd->gspca_dev; - - gspca_dev->usb_err = 0; - if (!gspca_dev->streaming) - return 0; - - switch (ctrl->id) { - case V4L2_CID_HUE: - sethue(gspca_dev, ctrl->val); - break; - case V4L2_CID_SATURATION: - setsaturation(gspca_dev, ctrl->val); - break; - case V4L2_CID_BRIGHTNESS: - setbrightness(gspca_dev, ctrl->val); - break; - case V4L2_CID_CONTRAST: - setcontrast(gspca_dev, ctrl->val); - break; - case V4L2_CID_AUTOGAIN: - /* case V4L2_CID_GAIN: */ - setagc(gspca_dev, ctrl->val); - if (!gspca_dev->usb_err && !ctrl->val && sd->gain) - setgain(gspca_dev, sd->gain->val); - break; - case V4L2_CID_AUTO_WHITE_BALANCE: - setawb(gspca_dev, ctrl->val); - break; - case V4L2_CID_EXPOSURE_AUTO: - /* case V4L2_CID_EXPOSURE: */ - setaec(gspca_dev, ctrl->val); - if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL && - sd->exposure) - setexposure(gspca_dev, sd->exposure->val); - break; - case V4L2_CID_SHARPNESS: - setsharpness(gspca_dev, ctrl->val); - break; - case V4L2_CID_HFLIP: - sethvflip(gspca_dev, ctrl->val, sd->vflip->val); - break; - case V4L2_CID_VFLIP: - sethvflip(gspca_dev, sd->hflip->val, ctrl->val); - break; - case V4L2_CID_POWER_LINE_FREQUENCY: - setlightfreq(gspca_dev, ctrl->val); - break; - } - return gspca_dev->usb_err; -} - -static const struct v4l2_ctrl_ops ov534_ctrl_ops = { - .g_volatile_ctrl = ov534_g_volatile_ctrl, - .s_ctrl = ov534_s_ctrl, -}; - -static int sd_init_controls(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler; - /* parameters with different values between the supported sensors */ - int saturation_min; - int saturation_max; - int saturation_def; - int brightness_min; - int brightness_max; - int brightness_def; - int contrast_max; - int contrast_def; - int exposure_min; - int exposure_max; - int exposure_def; - int hflip_def; - - if (sd->sensor == SENSOR_OV767x) { - saturation_min = 0, - saturation_max = 6, - saturation_def = 3, - brightness_min = -127; - brightness_max = 127; - brightness_def = 0; - contrast_max = 0x80; - contrast_def = 0x40; - exposure_min = 0x08; - exposure_max = 0x60; - exposure_def = 0x13; - hflip_def = 1; - } else { - saturation_min = 0, - saturation_max = 255, - saturation_def = 64, - brightness_min = 0; - brightness_max = 255; - brightness_def = 0; - contrast_max = 255; - contrast_def = 32; - exposure_min = 0; - exposure_max = 255; - exposure_def = 120; - hflip_def = 0; - } - - gspca_dev->vdev.ctrl_handler = hdl; - - v4l2_ctrl_handler_init(hdl, 13); - - if (sd->sensor == SENSOR_OV772x) - sd->hue = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_HUE, -90, 90, 1, 0); - - sd->saturation = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_SATURATION, saturation_min, saturation_max, 1, - saturation_def); - sd->brightness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_BRIGHTNESS, brightness_min, brightness_max, 1, - brightness_def); - sd->contrast = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_CONTRAST, 0, contrast_max, 1, contrast_def); - - if (sd->sensor == SENSOR_OV772x) { - sd->autogain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_AUTOGAIN, 0, 1, 1, 1); - sd->gain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_GAIN, 0, 63, 1, 20); - } - - sd->autoexposure = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops, - V4L2_CID_EXPOSURE_AUTO, - V4L2_EXPOSURE_MANUAL, 0, - V4L2_EXPOSURE_AUTO); - sd->exposure = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_EXPOSURE, exposure_min, exposure_max, 1, - exposure_def); - - sd->autowhitebalance = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); - - if (sd->sensor == SENSOR_OV772x) - sd->sharpness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_SHARPNESS, 0, 63, 1, 0); - - sd->hflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_HFLIP, 0, 1, 1, hflip_def); - sd->vflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, - V4L2_CID_VFLIP, 0, 1, 1, 0); - sd->plfreq = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops, - V4L2_CID_POWER_LINE_FREQUENCY, - V4L2_CID_POWER_LINE_FREQUENCY_50HZ, 0, - V4L2_CID_POWER_LINE_FREQUENCY_DISABLED); - - if (hdl->error) { - pr_err("Could not initialize controls\n"); - return hdl->error; - } - - if (sd->sensor == SENSOR_OV772x) - v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, true); - - v4l2_ctrl_auto_cluster(2, &sd->autoexposure, V4L2_EXPOSURE_MANUAL, - true); - - 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->cam.cam_mode = ov767x_mode; - gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode); - } else { - sd->sensor = SENSOR_OV772x; - 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 (sd->hue) - sethue(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue)); - setsaturation(gspca_dev, v4l2_ctrl_g_ctrl(sd->saturation)); - if (sd->autogain) - setagc(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain)); - setawb(gspca_dev, v4l2_ctrl_g_ctrl(sd->autowhitebalance)); - setaec(gspca_dev, v4l2_ctrl_g_ctrl(sd->autoexposure)); - if (sd->gain) - setgain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); - setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); - setbrightness(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness)); - setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast)); - if (sd->sharpness) - setsharpness(gspca_dev, v4l2_ctrl_g_ctrl(sd->sharpness)); - sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), - v4l2_ctrl_g_ctrl(sd->vflip)); - setlightfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->plfreq)); - - 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); -} - -/* 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, - .config = sd_config, - .init = sd_init, - .init_controls = sd_init_controls, - .start = sd_start, - .stopN = sd_stopN, - .pkt_scan = sd_pkt_scan, - .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, - .reset_resume = gspca_resume, -#endif -}; - -module_usb_driver(sd_driver); |