| /* |
| * Pixart PAC7311 library |
| * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li |
| * |
| * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> |
| * |
| * 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 "pac7311" |
| |
| #include "gspca.h" |
| |
| MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li"); |
| MODULE_DESCRIPTION("Pixart PAC7311"); |
| MODULE_LICENSE("GPL"); |
| |
| /* specific webcam descriptor */ |
| struct sd { |
| struct gspca_dev gspca_dev; /* !! must be the first item */ |
| |
| int lum_sum; |
| atomic_t avg_lum; |
| atomic_t do_gain; |
| |
| unsigned char brightness; |
| unsigned char contrast; |
| unsigned char colors; |
| unsigned char autogain; |
| |
| char ffnb; /* number of 'ff' in the previous frame */ |
| char tosof; /* number of bytes before next start of frame */ |
| signed char ag_cnt; |
| #define AG_CNT_START 13 |
| }; |
| |
| /* V4L2 controls supported by the driver */ |
| 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_setcolors(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); |
| |
| static struct ctrl sd_ctrls[] = { |
| { |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| #define BRIGHTNESS_MAX 0x20 |
| .maximum = BRIGHTNESS_MAX, |
| .step = 1, |
| #define BRIGHTNESS_DEF 0x10 |
| .default_value = BRIGHTNESS_DEF, |
| }, |
| .set = sd_setbrightness, |
| .get = sd_getbrightness, |
| }, |
| { |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define CONTRAST_DEF 127 |
| .default_value = CONTRAST_DEF, |
| }, |
| .set = sd_setcontrast, |
| .get = sd_getcontrast, |
| }, |
| { |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Color", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define COLOR_DEF 127 |
| .default_value = COLOR_DEF, |
| }, |
| .set = sd_setcolors, |
| .get = sd_getcolors, |
| }, |
| { |
| { |
| .id = V4L2_CID_AUTOGAIN, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Auto Gain", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define AUTOGAIN_DEF 1 |
| .default_value = AUTOGAIN_DEF, |
| }, |
| .set = sd_setautogain, |
| .get = sd_getautogain, |
| }, |
| }; |
| |
| static struct v4l2_pix_format vga_mode[] = { |
| {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 160, |
| .sizeimage = 160 * 120 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 2}, |
| {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 320, |
| .sizeimage = 320 * 240 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 1}, |
| {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 640, |
| .sizeimage = 640 * 480 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 0}, |
| }; |
| |
| #define PAC7311_JPEG_HEADER_SIZE (sizeof pac7311_jpeg_header) /* (594) */ |
| |
| static const __u8 pac7311_jpeg_header[] = { |
| 0xff, 0xd8, |
| 0xff, 0xe0, 0x00, 0x03, 0x20, |
| 0xff, 0xc0, 0x00, 0x11, 0x08, |
| 0x01, 0xe0, /* 12: height */ |
| 0x02, 0x80, /* 14: width */ |
| 0x03, /* 16 */ |
| 0x01, 0x21, 0x00, |
| 0x02, 0x11, 0x01, |
| 0x03, 0x11, 0x01, |
| 0xff, 0xdb, 0x00, 0x84, |
| 0x00, 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, 0x0d, |
| 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, 0x1a, 0x18, 0x16, |
| 0x16, 0x18, 0x31, 0x23, 0x25, 0x1d, 0x28, 0x3a, 0x33, 0x3d, |
| 0x3c, 0x39, 0x33, 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, |
| 0x44, 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57, 0x5f, |
| 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, 0x79, 0x70, 0x64, |
| 0x78, 0x5c, 0x65, 0x67, 0x63, 0x01, 0x11, 0x12, 0x12, 0x18, |
| 0x15, 0x18, 0x2f, 0x1a, 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, |
| 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, |
| 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, |
| 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, |
| 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, |
| 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, |
| 0xff, 0xc4, 0x01, 0xa2, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, |
| 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, |
| 0x09, 0x0a, 0x0b, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, |
| 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7d, |
| 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, |
| 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, |
| 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, |
| 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, |
| 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, |
| 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, |
| 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
| 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, |
| 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, |
| 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, |
| 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, |
| 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, |
| 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
| 0xf9, 0xfa, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, |
| 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, |
| 0x0b, 0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, |
| 0x07, 0x05, 0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01, |
| 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, |
| 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, |
| 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, |
| 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, |
| 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, |
| 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, |
| 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, |
| 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, |
| 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, |
| 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, |
| 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, |
| 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, |
| 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, |
| 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, |
| 0xff, 0xda, 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, |
| 0x11, 0x00, 0x3f, 0x00 |
| }; |
| |
| static void reg_w_buf(struct gspca_dev *gspca_dev, |
| __u16 index, |
| const char *buffer, __u16 len) |
| { |
| memcpy(gspca_dev->usb_buf, buffer, len); |
| usb_control_msg(gspca_dev->dev, |
| usb_sndctrlpipe(gspca_dev->dev, 0), |
| 1, /* request */ |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, /* value */ |
| index, gspca_dev->usb_buf, len, |
| 500); |
| } |
| |
| static __u8 reg_r(struct gspca_dev *gspca_dev, |
| __u16 index) |
| { |
| usb_control_msg(gspca_dev->dev, |
| usb_rcvctrlpipe(gspca_dev->dev, 0), |
| 0, /* request */ |
| USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, /* value */ |
| index, gspca_dev->usb_buf, 1, |
| 500); |
| return gspca_dev->usb_buf[0]; |
| } |
| |
| static void reg_w(struct gspca_dev *gspca_dev, |
| __u16 index, |
| __u8 value) |
| { |
| gspca_dev->usb_buf[0] = value; |
| usb_control_msg(gspca_dev->dev, |
| usb_sndctrlpipe(gspca_dev->dev, 0), |
| 0, /* request */ |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| value, index, gspca_dev->usb_buf, 1, |
| 500); |
| } |
| |
| /* 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; |
| |
| PDEBUG(D_CONF, "Find Sensor PAC7311"); |
| reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x27, 0x80); |
| reg_w(gspca_dev, 0x28, 0xca); |
| reg_w(gspca_dev, 0x29, 0x53); |
| reg_w(gspca_dev, 0x2a, 0x0e); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x3e, 0x20); |
| |
| cam = &gspca_dev->cam; |
| cam->epaddr = 0x05; |
| cam->cam_mode = vga_mode; |
| cam->nmodes = ARRAY_SIZE(vga_mode); |
| |
| sd->brightness = BRIGHTNESS_DEF; |
| sd->contrast = CONTRAST_DEF; |
| sd->colors = COLOR_DEF; |
| sd->autogain = AUTOGAIN_DEF; |
| sd->ag_cnt = -1; |
| return 0; |
| } |
| |
| static void setbrightness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int brightness; |
| |
| /*jfm: inverted?*/ |
| brightness = BRIGHTNESS_MAX - sd->brightness; |
| reg_w(gspca_dev, 0xff, 0x04); |
| /* reg_w(gspca_dev, 0x0e, 0x00); */ |
| reg_w(gspca_dev, 0x0f, brightness); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| PDEBUG(D_CONF|D_STREAM, "brightness: %i", brightness); |
| } |
| |
| static void setcontrast(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x80, sd->contrast); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| PDEBUG(D_CONF|D_STREAM, "contrast: %i", sd->contrast); |
| } |
| |
| static void setcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x10, sd->colors); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors); |
| } |
| |
| static void setautogain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->autogain) { |
| sd->lum_sum = 0; |
| sd->ag_cnt = AG_CNT_START; |
| } else { |
| sd->ag_cnt = -1; |
| } |
| } |
| |
| /* this function is called at open time */ |
| static int sd_open(struct gspca_dev *gspca_dev) |
| { |
| reg_w(gspca_dev, 0x78, 0x00); /* Turn on LED */ |
| return 0; |
| } |
| |
| static void sd_start(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->ffnb = 0; |
| sd->tosof = 0; |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w_buf(gspca_dev, 0x0002, "\x48\x0a\x40\x08\x00\x00\x08\x00", 8); |
| reg_w_buf(gspca_dev, 0x000a, "\x06\xff\x11\xff\x5a\x30\x90\x4c", 8); |
| reg_w_buf(gspca_dev, 0x0012, "\x00\x07\x00\x0a\x10\x00\xa0\x10", 8); |
| reg_w_buf(gspca_dev, 0x001a, "\x02\x00\x00\x00\x00\x0b\x01\x00", 8); |
| reg_w_buf(gspca_dev, 0x0022, "\x00\x00\x00\x00\x00\x00\x00\x00", 8); |
| reg_w_buf(gspca_dev, 0x002a, "\x00\x00\x00", 3); |
| reg_w_buf(gspca_dev, 0x003e, "\x00\x00\x78\x52\x4a\x52\x78\x6e", 8); |
| reg_w_buf(gspca_dev, 0x0046, "\x48\x46\x48\x6e\x5f\x49\x42\x49", 8); |
| reg_w_buf(gspca_dev, 0x004e, "\x5f\x5f\x49\x42\x49\x5f\x6e\x48", 8); |
| reg_w_buf(gspca_dev, 0x0056, "\x46\x48\x6e\x78\x52\x4a\x52\x78", 8); |
| reg_w_buf(gspca_dev, 0x005e, "\x00\x00\x09\x1b\x34\x49\x5c\x9b", 8); |
| reg_w_buf(gspca_dev, 0x0066, "\xd0\xff", 2); |
| reg_w_buf(gspca_dev, 0x0078, "\x44\x00\xf2\x01\x01\x80", 6); |
| reg_w_buf(gspca_dev, 0x007f, "\x2a\x1c\x00\xc8\x02\x58\x03\x84", 8); |
| reg_w_buf(gspca_dev, 0x0087, "\x12\x00\x1a\x04\x08\x0c\x10\x14", 8); |
| reg_w_buf(gspca_dev, 0x008f, "\x18\x20", 2); |
| reg_w_buf(gspca_dev, 0x0096, "\x01\x08\x04", 3); |
| reg_w_buf(gspca_dev, 0x00a0, "\x44\x44\x44\x04", 4); |
| reg_w_buf(gspca_dev, 0x00f0, "\x01\x00\x00\x00\x22\x00\x20\x00", 8); |
| reg_w_buf(gspca_dev, 0x00f8, "\x3f\x00\x0a\x01\x00", 5); |
| |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x02, 0x04); |
| reg_w(gspca_dev, 0x03, 0x54); |
| reg_w(gspca_dev, 0x04, 0x07); |
| reg_w(gspca_dev, 0x05, 0x2b); |
| reg_w(gspca_dev, 0x06, 0x09); |
| reg_w(gspca_dev, 0x07, 0x0f); |
| reg_w(gspca_dev, 0x08, 0x09); |
| reg_w(gspca_dev, 0x09, 0x00); |
| reg_w(gspca_dev, 0x0c, 0x07); |
| reg_w(gspca_dev, 0x0d, 0x00); |
| reg_w(gspca_dev, 0x0e, 0x00); |
| reg_w(gspca_dev, 0x0f, 0x62); |
| reg_w(gspca_dev, 0x10, 0x08); |
| reg_w(gspca_dev, 0x12, 0x07); |
| reg_w(gspca_dev, 0x13, 0x00); |
| reg_w(gspca_dev, 0x14, 0x00); |
| reg_w(gspca_dev, 0x15, 0x00); |
| reg_w(gspca_dev, 0x16, 0x00); |
| reg_w(gspca_dev, 0x17, 0x00); |
| reg_w(gspca_dev, 0x18, 0x00); |
| reg_w(gspca_dev, 0x19, 0x00); |
| reg_w(gspca_dev, 0x1a, 0x00); |
| reg_w(gspca_dev, 0x1b, 0x03); |
| reg_w(gspca_dev, 0x1c, 0xa0); |
| reg_w(gspca_dev, 0x1d, 0x01); |
| reg_w(gspca_dev, 0x1e, 0xf4); |
| reg_w(gspca_dev, 0x21, 0x00); |
| reg_w(gspca_dev, 0x22, 0x08); |
| reg_w(gspca_dev, 0x24, 0x03); |
| reg_w(gspca_dev, 0x26, 0x00); |
| reg_w(gspca_dev, 0x27, 0x01); |
| reg_w(gspca_dev, 0x28, 0xca); |
| reg_w(gspca_dev, 0x29, 0x10); |
| reg_w(gspca_dev, 0x2a, 0x06); |
| reg_w(gspca_dev, 0x2b, 0x78); |
| reg_w(gspca_dev, 0x2c, 0x00); |
| reg_w(gspca_dev, 0x2d, 0x00); |
| reg_w(gspca_dev, 0x2e, 0x00); |
| reg_w(gspca_dev, 0x2f, 0x00); |
| reg_w(gspca_dev, 0x30, 0x23); |
| reg_w(gspca_dev, 0x31, 0x28); |
| reg_w(gspca_dev, 0x32, 0x04); |
| reg_w(gspca_dev, 0x33, 0x11); |
| reg_w(gspca_dev, 0x34, 0x00); |
| reg_w(gspca_dev, 0x35, 0x00); |
| reg_w(gspca_dev, 0x11, 0x01); |
| setcontrast(gspca_dev); |
| setbrightness(gspca_dev); |
| setcolors(gspca_dev); |
| setautogain(gspca_dev); |
| |
| /* set correct resolution */ |
| switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { |
| case 2: /* 160x120 */ |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x02, 0x03); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x08, 0x09); |
| reg_w(gspca_dev, 0x17, 0x20); |
| reg_w(gspca_dev, 0x1b, 0x00); |
| /* reg_w(gspca_dev, 0x80, 0x69); */ |
| reg_w(gspca_dev, 0x87, 0x10); |
| break; |
| case 1: /* 320x240 */ |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x02, 0x03); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x08, 0x09); |
| reg_w(gspca_dev, 0x17, 0x30); |
| /* reg_w(gspca_dev, 0x80, 0x3f); */ |
| reg_w(gspca_dev, 0x87, 0x11); |
| break; |
| case 0: /* 640x480 */ |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x02, 0x03); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x08, 0x08); |
| reg_w(gspca_dev, 0x17, 0x00); |
| /* reg_w(gspca_dev, 0x80, 0x1c); */ |
| reg_w(gspca_dev, 0x87, 0x12); |
| break; |
| } |
| |
| /* start stream */ |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x78, 0x04); |
| reg_w(gspca_dev, 0x78, 0x05); |
| } |
| |
| static void sd_stopN(struct gspca_dev *gspca_dev) |
| { |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x27, 0x80); |
| reg_w(gspca_dev, 0x28, 0xca); |
| reg_w(gspca_dev, 0x29, 0x53); |
| reg_w(gspca_dev, 0x2a, 0x0e); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x3e, 0x20); |
| reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ |
| } |
| |
| static void sd_stop0(struct gspca_dev *gspca_dev) |
| { |
| } |
| |
| /* this function is called at close time */ |
| static void sd_close(struct gspca_dev *gspca_dev) |
| { |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x27, 0x80); |
| reg_w(gspca_dev, 0x28, 0xca); |
| reg_w(gspca_dev, 0x29, 0x53); |
| reg_w(gspca_dev, 0x2a, 0x0e); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x3e, 0x20); |
| reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ |
| } |
| |
| static void do_autogain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int luma; |
| int luma_mean = 128; |
| int luma_delta = 20; |
| __u8 spring = 5; |
| int Gbright; |
| |
| if (!atomic_read(&sd->do_gain)) |
| return; |
| atomic_set(&sd->do_gain, 0); |
| |
| luma = atomic_read(&sd->avg_lum); |
| Gbright = reg_r(gspca_dev, 0x02); |
| PDEBUG(D_FRAM, "luma mean %d", luma); |
| if (luma < luma_mean - luma_delta || |
| luma > luma_mean + luma_delta) { |
| Gbright += (luma_mean - luma) >> spring; |
| if (Gbright > 0x1a) |
| Gbright = 0x1a; |
| else if (Gbright < 4) |
| Gbright = 4; |
| PDEBUG(D_FRAM, "gbright %d", Gbright); |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x0f, Gbright); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } |
| } |
| |
| /* output the jpeg header */ |
| static void put_jpeg_head(struct gspca_dev *gspca_dev, |
| struct gspca_frame *frame) |
| { |
| unsigned char tmpbuf[4]; |
| |
| gspca_frame_add(gspca_dev, FIRST_PACKET, frame, |
| (__u8 *) pac7311_jpeg_header, |
| 12); |
| tmpbuf[0] = gspca_dev->height >> 8; |
| tmpbuf[1] = gspca_dev->height & 0xff; |
| tmpbuf[2] = gspca_dev->width >> 8; |
| tmpbuf[3] = gspca_dev->width & 0xff; |
| gspca_frame_add(gspca_dev, INTER_PACKET, frame, |
| tmpbuf, 4); |
| gspca_frame_add(gspca_dev, INTER_PACKET, frame, |
| (__u8 *) &pac7311_jpeg_header[16], |
| PAC7311_JPEG_HEADER_SIZE - 16); |
| } |
| |
| /* this function is run at interrupt level */ |
| static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| struct gspca_frame *frame, /* target */ |
| __u8 *data, /* isoc packet */ |
| int len) /* iso packet length */ |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int i; |
| |
| #define INTER_FRAME 0x53 |
| #define LUM_OFFSET 0x1e /* reverse offset / start of frame */ |
| |
| /* |
| * inside a frame, there may be: |
| * escaped ff ('ff 00') |
| * sequences'ff ff ff xx' to remove |
| * end of frame ('ff d9') |
| * at the end of frame, there are: |
| * ff d9 end of frame |
| * 0x33 bytes |
| * one byte luminosity |
| * 0x16 bytes |
| * ff ff 00 ff 96 62 44 start of frame header |
| */ |
| |
| if (sd->tosof == 0) { /* if inside a frame */ |
| |
| /* check for 'ff ff ff xx' at start and at end of packet */ |
| /* (len is always >= 3) */ |
| switch (sd->ffnb) { |
| case 1: |
| if (data[0] != 0xff) |
| break; /* keep 'ff 00' */ |
| /* fall thru */ |
| case 2: |
| case 3: |
| data += 4 - sd->ffnb; |
| len -= 4 - sd->ffnb; |
| sd->ffnb = 0; |
| break; |
| } |
| if (data[len - 1] == 0xff) { |
| if (data[len - 2] == 0xff) { |
| if (data[len - 3] == 0xff) { |
| sd->ffnb = 3; |
| len -= 3; |
| } else { |
| sd->ffnb = 2; |
| len -= 2; |
| } |
| } else { |
| sd->ffnb = 1; |
| len--; |
| } |
| } |
| } else { /* outside a frame */ |
| |
| /* |
| * get the luminosity |
| * and go to the start of frame |
| */ |
| data += sd->tosof; |
| len -= sd->tosof; |
| if (sd->tosof > LUM_OFFSET) |
| sd->lum_sum += data[-LUM_OFFSET]; |
| put_jpeg_head(gspca_dev, frame); |
| sd->tosof = 0; |
| } |
| |
| for (i = 0; i < len; i++) { |
| if (data[i] != 0xff) |
| continue; |
| switch (data[i + 1]) { |
| case 0xd9: /* end of frame */ |
| frame = gspca_frame_add(gspca_dev, |
| LAST_PACKET, |
| frame, data, i + 1); |
| data += INTER_FRAME; |
| len -= INTER_FRAME; |
| i = 0; |
| if (len > LUM_OFFSET) |
| sd->lum_sum += data[-LUM_OFFSET]; |
| if (len < 0) { |
| sd->tosof = -len; |
| break; |
| } |
| put_jpeg_head(gspca_dev, frame); |
| break; |
| case 0xff: /* 'ff ff ff xx' */ |
| gspca_frame_add(gspca_dev, INTER_PACKET, |
| frame, data, i); |
| data += i + 4; |
| len -= i + 4; |
| i = 0; |
| break; |
| } |
| } |
| } |
| |
| static void getbrightness(struct gspca_dev *gspca_dev) |
| { |
| /* sd->brightness = reg_r(gspca_dev, 0x08); |
| return sd->brightness; */ |
| /* PDEBUG(D_CONF, "Called pac7311_getbrightness: Not implemented yet"); */ |
| } |
| |
| |
| |
| 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; |
| |
| getbrightness(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; |
| |
| /* getcontrast(gspca_dev); */ |
| *val = sd->contrast; |
| return 0; |
| } |
| |
| static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->colors = val; |
| if (gspca_dev->streaming) |
| setcolors(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| /* getcolors(gspca_dev); */ |
| *val = sd->colors; |
| return 0; |
| } |
| |
| static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->autogain = val; |
| if (gspca_dev->streaming) |
| setautogain(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->autogain; |
| return 0; |
| } |
| |
| /* sub-driver description */ |
| static struct sd_desc sd_desc = { |
| .name = MODULE_NAME, |
| .ctrls = sd_ctrls, |
| .nctrls = ARRAY_SIZE(sd_ctrls), |
| .config = sd_config, |
| .open = sd_open, |
| .start = sd_start, |
| .stopN = sd_stopN, |
| .stop0 = sd_stop0, |
| .close = sd_close, |
| .pkt_scan = sd_pkt_scan, |
| .dq_callback = do_autogain, |
| }; |
| |
| /* -- module initialisation -- */ |
| static __devinitdata struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x093a, 0x2600)}, |
| {USB_DEVICE(0x093a, 0x2601)}, |
| {USB_DEVICE(0x093a, 0x2603)}, |
| {USB_DEVICE(0x093a, 0x2608)}, |
| {USB_DEVICE(0x093a, 0x260e)}, |
| {USB_DEVICE(0x093a, 0x260f)}, |
| {USB_DEVICE(0x093a, 0x2621)}, |
| {} |
| }; |
| 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, |
| }; |
| |
| /* -- module insert / remove -- */ |
| static int __init sd_mod_init(void) |
| { |
| if (usb_register(&sd_driver) < 0) |
| return -1; |
| PDEBUG(D_PROBE, "registered"); |
| return 0; |
| } |
| static void __exit sd_mod_exit(void) |
| { |
| usb_deregister(&sd_driver); |
| PDEBUG(D_PROBE, "deregistered"); |
| } |
| |
| module_init(sd_mod_init); |
| module_exit(sd_mod_exit); |