| /* |
| * 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 |
| */ |
| |
| /* Some documentation about various registers as determined by trial and error. |
| When the register addresses differ between the 7202 and the 7311 the 2 |
| different addresses are written as 7302addr/7311addr, when one of the 2 |
| addresses is a - sign that register description is not valid for the |
| matching IC. |
| |
| Register page 1: |
| |
| Address Description |
| -/0x08 Unknown compressor related, must always be 8 except when not |
| in 640x480 resolution and page 4 reg 2 <= 3 then set it to 9 ! |
| -/0x1b Auto white balance related, bit 0 is AWB enable (inverted) |
| bits 345 seem to toggle per color gains on/off (inverted) |
| 0x78 Global control, bit 6 controls the LED (inverted) |
| -/0x80 JPEG compression ratio ? Best not touched |
| |
| Register page 3/4: |
| |
| Address Description |
| 0x02 Clock divider 2-63, fps =~ 60 / val. Must be a multiple of 3 on |
| the 7302, so one of 3, 6, 9, ..., except when between 6 and 12? |
| -/0x0f Master gain 1-245, low value = high gain |
| 0x10/- Master gain 0-31 |
| -/0x10 Another gain 0-15, limited influence (1-2x gain I guess) |
| 0x21 Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused |
| -/0x27 Seems to toggle various gains on / off, Setting bit 7 seems to |
| completely disable the analog amplification block. Set to 0x68 |
| for max gain, 0x14 for minimal gain. |
| */ |
| |
| #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 */ |
| |
| unsigned char brightness; |
| unsigned char contrast; |
| unsigned char colors; |
| unsigned char gain; |
| unsigned char exposure; |
| unsigned char autogain; |
| __u8 hflip; |
| __u8 vflip; |
| |
| __u8 sensor; |
| #define SENSOR_PAC7302 0 |
| #define SENSOR_PAC7311 1 |
| |
| u8 sof_read; |
| u8 autogain_ignore_frames; |
| |
| atomic_t avg_lum; |
| }; |
| |
| /* 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 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_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 struct ctrl sd_ctrls[] = { |
| /* This control is pac7302 only */ |
| #define BRIGHTNESS_IDX 0 |
| { |
| { |
| .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, |
| }, |
| /* This control is for both the 7302 and the 7311 */ |
| { |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| #define CONTRAST_MAX 255 |
| .maximum = CONTRAST_MAX, |
| .step = 1, |
| #define CONTRAST_DEF 127 |
| .default_value = CONTRAST_DEF, |
| }, |
| .set = sd_setcontrast, |
| .get = sd_getcontrast, |
| }, |
| /* This control is pac7302 only */ |
| #define SATURATION_IDX 2 |
| { |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Saturation", |
| .minimum = 0, |
| #define COLOR_MAX 255 |
| .maximum = COLOR_MAX, |
| .step = 1, |
| #define COLOR_DEF 127 |
| .default_value = COLOR_DEF, |
| }, |
| .set = sd_setcolors, |
| .get = sd_getcolors, |
| }, |
| /* All controls below are for both the 7302 and the 7311 */ |
| { |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Gain", |
| .minimum = 0, |
| #define GAIN_MAX 255 |
| .maximum = GAIN_MAX, |
| .step = 1, |
| #define GAIN_DEF 127 |
| #define GAIN_KNEE 255 /* Gain seems to cause little noise on the pac73xx */ |
| .default_value = GAIN_DEF, |
| }, |
| .set = sd_setgain, |
| .get = sd_getgain, |
| }, |
| { |
| { |
| .id = V4L2_CID_EXPOSURE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Exposure", |
| .minimum = 0, |
| #define EXPOSURE_MAX 255 |
| .maximum = EXPOSURE_MAX, |
| .step = 1, |
| #define EXPOSURE_DEF 16 /* 32 ms / 30 fps */ |
| #define EXPOSURE_KNEE 50 /* 100 ms / 10 fps */ |
| .default_value = EXPOSURE_DEF, |
| }, |
| .set = sd_setexposure, |
| .get = sd_getexposure, |
| }, |
| { |
| { |
| .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, |
| }, |
| { |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Mirror", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define HFLIP_DEF 0 |
| .default_value = HFLIP_DEF, |
| }, |
| .set = sd_sethflip, |
| .get = sd_gethflip, |
| }, |
| { |
| { |
| .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, |
| }, |
| }; |
| |
| static const struct v4l2_pix_format vga_mode[] = { |
| {160, 120, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE, |
| .bytesperline = 160, |
| .sizeimage = 160 * 120 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 2}, |
| {320, 240, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE, |
| .bytesperline = 320, |
| .sizeimage = 320 * 240 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 1}, |
| {640, 480, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE, |
| .bytesperline = 640, |
| .sizeimage = 640 * 480 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 0}, |
| }; |
| |
| /* pac 7302 */ |
| static const __u8 init_7302[] = { |
| /* index,value */ |
| 0xff, 0x01, /* page 1 */ |
| 0x78, 0x00, /* deactivate */ |
| 0xff, 0x01, |
| 0x78, 0x40, /* led off */ |
| }; |
| static const __u8 start_7302[] = { |
| /* index, len, [value]* */ |
| 0xff, 1, 0x00, /* page 0 */ |
| 0x00, 12, 0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x0d, 24, 0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00, |
| 0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7, |
| 0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11, |
| 0x26, 2, 0xaa, 0xaa, |
| 0x2e, 1, 0x31, |
| 0x38, 1, 0x01, |
| 0x3a, 3, 0x14, 0xff, 0x5a, |
| 0x43, 11, 0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11, |
| 0x00, 0x54, 0x11, |
| 0x55, 1, 0x00, |
| 0x62, 4, 0x10, 0x1e, 0x1e, 0x18, |
| 0x6b, 1, 0x00, |
| 0x6e, 3, 0x08, 0x06, 0x00, |
| 0x72, 3, 0x00, 0xff, 0x00, |
| 0x7d, 23, 0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c, |
| 0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50, |
| 0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00, |
| 0xa2, 10, 0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9, |
| 0xd2, 0xeb, |
| 0xaf, 1, 0x02, |
| 0xb5, 2, 0x08, 0x08, |
| 0xb8, 2, 0x08, 0x88, |
| 0xc4, 4, 0xae, 0x01, 0x04, 0x01, |
| 0xcc, 1, 0x00, |
| 0xd1, 11, 0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9, |
| 0xc1, 0xd7, 0xec, |
| 0xdc, 1, 0x01, |
| 0xff, 1, 0x01, /* page 1 */ |
| 0x12, 3, 0x02, 0x00, 0x01, |
| 0x3e, 2, 0x00, 0x00, |
| 0x76, 5, 0x01, 0x20, 0x40, 0x00, 0xf2, |
| 0x7c, 1, 0x00, |
| 0x7f, 10, 0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20, |
| 0x02, 0x00, |
| 0x96, 5, 0x01, 0x10, 0x04, 0x01, 0x04, |
| 0xc8, 14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, |
| 0x07, 0x00, 0x01, 0x07, 0x04, 0x01, |
| 0xd8, 1, 0x01, |
| 0xdb, 2, 0x00, 0x01, |
| 0xde, 7, 0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00, |
| 0xe6, 4, 0x00, 0x00, 0x00, 0x01, |
| 0xeb, 1, 0x00, |
| 0xff, 1, 0x02, /* page 2 */ |
| 0x22, 1, 0x00, |
| 0xff, 1, 0x03, /* page 3 */ |
| 0x00, 255, /* load the page 3 */ |
| 0x11, 1, 0x01, |
| 0xff, 1, 0x02, /* page 2 */ |
| 0x13, 1, 0x00, |
| 0x22, 4, 0x1f, 0xa4, 0xf0, 0x96, |
| 0x27, 2, 0x14, 0x0c, |
| 0x2a, 5, 0xc8, 0x00, 0x18, 0x12, 0x22, |
| 0x64, 8, 0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44, |
| 0x6e, 1, 0x08, |
| 0xff, 1, 0x01, /* page 1 */ |
| 0x78, 1, 0x00, |
| 0, 0 /* end of sequence */ |
| }; |
| |
| /* page 3 - the value 0xaa says skip the index - see reg_w_page() */ |
| static const __u8 page3_7302[] = { |
| 0x90, 0x40, 0x03, 0x50, 0xc2, 0x01, 0x14, 0x16, |
| 0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00, |
| 0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00, |
| 0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21, |
| 0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54, |
| 0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00, |
| 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00, |
| 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8, |
| 0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, |
| 0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00, |
| 0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00, |
| 0x00 |
| }; |
| |
| /* pac 7311 */ |
| static const __u8 init_7311[] = { |
| 0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */ |
| 0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */ |
| 0x78, 0x44, /* Bit_0=start stream, Bit_6=LED */ |
| 0xff, 0x04, |
| 0x27, 0x80, |
| 0x28, 0xca, |
| 0x29, 0x53, |
| 0x2a, 0x0e, |
| 0xff, 0x01, |
| 0x3e, 0x20, |
| }; |
| |
| static const __u8 start_7311[] = { |
| /* index, len, [value]* */ |
| 0xff, 1, 0x01, /* page 1 */ |
| 0x02, 43, 0x48, 0x0a, 0x40, 0x08, 0x00, 0x00, 0x08, 0x00, |
| 0x06, 0xff, 0x11, 0xff, 0x5a, 0x30, 0x90, 0x4c, |
| 0x00, 0x07, 0x00, 0x0a, 0x10, 0x00, 0xa0, 0x10, |
| 0x02, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, |
| 0x3e, 42, 0x00, 0x00, 0x78, 0x52, 0x4a, 0x52, 0x78, 0x6e, |
| 0x48, 0x46, 0x48, 0x6e, 0x5f, 0x49, 0x42, 0x49, |
| 0x5f, 0x5f, 0x49, 0x42, 0x49, 0x5f, 0x6e, 0x48, |
| 0x46, 0x48, 0x6e, 0x78, 0x52, 0x4a, 0x52, 0x78, |
| 0x00, 0x00, 0x09, 0x1b, 0x34, 0x49, 0x5c, 0x9b, |
| 0xd0, 0xff, |
| 0x78, 6, 0x44, 0x00, 0xf2, 0x01, 0x01, 0x80, |
| 0x7f, 18, 0x2a, 0x1c, 0x00, 0xc8, 0x02, 0x58, 0x03, 0x84, |
| 0x12, 0x00, 0x1a, 0x04, 0x08, 0x0c, 0x10, 0x14, |
| 0x18, 0x20, |
| 0x96, 3, 0x01, 0x08, 0x04, |
| 0xa0, 4, 0x44, 0x44, 0x44, 0x04, |
| 0xf0, 13, 0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00, |
| 0x3f, 0x00, 0x0a, 0x01, 0x00, |
| 0xff, 1, 0x04, /* page 4 */ |
| 0x00, 254, /* load the page 4 */ |
| 0x11, 1, 0x01, |
| 0, 0 /* end of sequence */ |
| }; |
| |
| /* page 4 - the value 0xaa says skip the index - see reg_w_page() */ |
| static const __u8 page4_7311[] = { |
| 0xaa, 0xaa, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f, |
| 0x09, 0x00, 0xaa, 0xaa, 0x07, 0x00, 0x00, 0x62, |
| 0x08, 0xaa, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, 0xaa, |
| 0xaa, 0x00, 0x08, 0xaa, 0x03, 0xaa, 0x00, 0x68, |
| 0xca, 0x10, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00, |
| 0x23, 0x28, 0x04, 0x11, 0x00, 0x00 |
| }; |
| |
| static void reg_w_buf(struct gspca_dev *gspca_dev, |
| __u8 index, |
| const char *buffer, int 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 void reg_w(struct gspca_dev *gspca_dev, |
| __u8 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, |
| 0, index, gspca_dev->usb_buf, 1, |
| 500); |
| } |
| |
| static void reg_w_seq(struct gspca_dev *gspca_dev, |
| const __u8 *seq, int len) |
| { |
| while (--len >= 0) { |
| reg_w(gspca_dev, seq[0], seq[1]); |
| seq += 2; |
| } |
| } |
| |
| /* load the beginning of a page */ |
| static void reg_w_page(struct gspca_dev *gspca_dev, |
| const __u8 *page, int len) |
| { |
| int index; |
| |
| for (index = 0; index < len; index++) { |
| if (page[index] == 0xaa) /* skip this index */ |
| continue; |
| gspca_dev->usb_buf[0] = page[index]; |
| usb_control_msg(gspca_dev->dev, |
| usb_sndctrlpipe(gspca_dev->dev, 0), |
| 0, /* request */ |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, index, gspca_dev->usb_buf, 1, |
| 500); |
| } |
| } |
| |
| /* output a variable sequence */ |
| static void reg_w_var(struct gspca_dev *gspca_dev, |
| const __u8 *seq) |
| { |
| int index, len; |
| |
| for (;;) { |
| index = *seq++; |
| len = *seq++; |
| switch (len) { |
| case 0: |
| return; |
| case 254: |
| reg_w_page(gspca_dev, page4_7311, sizeof page4_7311); |
| break; |
| case 255: |
| reg_w_page(gspca_dev, page3_7302, sizeof page3_7302); |
| break; |
| default: |
| if (len > 64) { |
| PDEBUG(D_ERR|D_STREAM, |
| "Incorrect variable sequence"); |
| return; |
| } |
| while (len > 0) { |
| if (len < 8) { |
| reg_w_buf(gspca_dev, index, seq, len); |
| seq += len; |
| break; |
| } |
| reg_w_buf(gspca_dev, index, seq, 8); |
| seq += 8; |
| index += 8; |
| len -= 8; |
| } |
| } |
| } |
| /* not reached */ |
| } |
| |
| /* 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; |
| |
| sd->sensor = id->driver_info; |
| if (sd->sensor == SENSOR_PAC7302) { |
| PDEBUG(D_CONF, "Find Sensor PAC7302"); |
| cam->cam_mode = &vga_mode[2]; /* only 640x480 */ |
| cam->nmodes = 1; |
| } else { |
| PDEBUG(D_CONF, "Find Sensor PAC7311"); |
| cam->cam_mode = vga_mode; |
| cam->nmodes = ARRAY_SIZE(vga_mode); |
| gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
| | (1 << SATURATION_IDX); |
| } |
| |
| sd->brightness = BRIGHTNESS_DEF; |
| sd->contrast = CONTRAST_DEF; |
| sd->colors = COLOR_DEF; |
| sd->gain = GAIN_DEF; |
| sd->exposure = EXPOSURE_DEF; |
| sd->autogain = AUTOGAIN_DEF; |
| sd->hflip = HFLIP_DEF; |
| sd->vflip = VFLIP_DEF; |
| return 0; |
| } |
| |
| /* This function is used by pac7302 only */ |
| static void setbrightcont(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int i, v; |
| static const __u8 max[10] = |
| {0x29, 0x33, 0x42, 0x5a, 0x6e, 0x80, 0x9f, 0xbb, |
| 0xd4, 0xec}; |
| static const __u8 delta[10] = |
| {0x35, 0x33, 0x33, 0x2f, 0x2a, 0x25, 0x1e, 0x17, |
| 0x11, 0x0b}; |
| |
| reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ |
| for (i = 0; i < 10; i++) { |
| v = max[i]; |
| v += (sd->brightness - BRIGHTNESS_MAX) |
| * 150 / BRIGHTNESS_MAX; /* 200 ? */ |
| v -= delta[i] * sd->contrast / CONTRAST_MAX; |
| if (v < 0) |
| v = 0; |
| else if (v > 0xff) |
| v = 0xff; |
| reg_w(gspca_dev, 0xa2 + i, v); |
| } |
| reg_w(gspca_dev, 0xdc, 0x01); |
| } |
| |
| /* This function is used by pac7311 only */ |
| static void setcontrast(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| reg_w(gspca_dev, 0xff, 0x04); |
| reg_w(gspca_dev, 0x10, sd->contrast >> 4); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } |
| |
| /* This function is used by pac7302 only */ |
| static void setcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int i, v; |
| static const int a[9] = |
| {217, -212, 0, -101, 170, -67, -38, -315, 355}; |
| static const int b[9] = |
| {19, 106, 0, 19, 106, 1, 19, 106, 1}; |
| |
| reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ |
| reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ |
| for (i = 0; i < 9; i++) { |
| v = a[i] * sd->colors / COLOR_MAX + b[i]; |
| reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07); |
| reg_w(gspca_dev, 0x0f + 2 * i + 1, v); |
| } |
| reg_w(gspca_dev, 0xdc, 0x01); |
| PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors); |
| } |
| |
| static void setgain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ |
| reg_w(gspca_dev, 0x10, sd->gain >> 3); |
| } else { |
| int gain = GAIN_MAX - sd->gain; |
| if (gain < 1) |
| gain = 1; |
| else if (gain > 245) |
| gain = 245; |
| reg_w(gspca_dev, 0xff, 0x04); /* page 4 */ |
| reg_w(gspca_dev, 0x0e, 0x00); |
| reg_w(gspca_dev, 0x0f, gain); |
| } |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } |
| |
| static void setexposure(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| __u8 reg; |
| |
| /* register 2 of frame 3/4 contains the clock divider configuring the |
| no fps according to the formula: 60 / reg. sd->exposure is the |
| desired exposure time in ms. */ |
| reg = 120 * sd->exposure / 1000; |
| if (reg < 2) |
| reg = 2; |
| else if (reg > 63) |
| reg = 63; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| /* On the pac7302 reg2 MUST be a multiple of 3, so round it to |
| the nearest multiple of 3, except when between 6 and 12? */ |
| if (reg < 6 || reg > 12) |
| reg = ((reg + 1) / 3) * 3; |
| reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ |
| reg_w(gspca_dev, 0x02, reg); |
| } else { |
| reg_w(gspca_dev, 0xff, 0x04); /* page 4 */ |
| reg_w(gspca_dev, 0x02, reg); |
| /* Page 1 register 8 must always be 0x08 except when not in |
| 640x480 mode and Page3/4 reg 2 <= 3 then it must be 9 */ |
| reg_w(gspca_dev, 0xff, 0x01); |
| if (gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv && |
| reg <= 3) |
| reg_w(gspca_dev, 0x08, 0x09); |
| else |
| reg_w(gspca_dev, 0x08, 0x08); |
| } |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } |
| |
| static void sethvflip(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| __u8 data; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ |
| data = (sd->hflip ? 0x08 : 0x00) |
| | (sd->vflip ? 0x04 : 0x00); |
| } else { |
| reg_w(gspca_dev, 0xff, 0x04); /* page 4 */ |
| data = (sd->hflip ? 0x04 : 0x00) |
| | (sd->vflip ? 0x08 : 0x00); |
| } |
| reg_w(gspca_dev, 0x21, data); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } |
| |
| /* 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; |
| |
| if (sd->sensor == SENSOR_PAC7302) |
| reg_w_seq(gspca_dev, init_7302, sizeof init_7302); |
| else |
| reg_w_seq(gspca_dev, init_7311, sizeof init_7311); |
| |
| return 0; |
| } |
| |
| static int sd_start(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->sof_read = 0; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w_var(gspca_dev, start_7302); |
| setbrightcont(gspca_dev); |
| setcolors(gspca_dev); |
| } else { |
| reg_w_var(gspca_dev, start_7311); |
| setcontrast(gspca_dev); |
| } |
| setgain(gspca_dev); |
| setexposure(gspca_dev); |
| sethvflip(gspca_dev); |
| |
| /* set correct resolution */ |
| switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { |
| case 2: /* 160x120 pac7311 */ |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x17, 0x20); |
| reg_w(gspca_dev, 0x87, 0x10); |
| break; |
| case 1: /* 320x240 pac7311 */ |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x17, 0x30); |
| reg_w(gspca_dev, 0x87, 0x11); |
| break; |
| case 0: /* 640x480 */ |
| if (sd->sensor == SENSOR_PAC7302) |
| break; |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x17, 0x00); |
| reg_w(gspca_dev, 0x87, 0x12); |
| break; |
| } |
| |
| sd->sof_read = 0; |
| sd->autogain_ignore_frames = 0; |
| atomic_set(&sd->avg_lum, -1); |
| |
| /* start stream */ |
| reg_w(gspca_dev, 0xff, 0x01); |
| if (sd->sensor == SENSOR_PAC7302) |
| reg_w(gspca_dev, 0x78, 0x01); |
| else |
| reg_w(gspca_dev, 0x78, 0x05); |
| return 0; |
| } |
| |
| static void sd_stopN(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x78, 0x00); |
| reg_w(gspca_dev, 0x78, 0x00); |
| return; |
| } |
| 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, 0x44); /* Bit_0=start stream, Bit_6=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */ |
| reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */ |
| } |
| |
| /* called on streamoff with alt 0 and on disconnect */ |
| static void sd_stop0(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (!gspca_dev->present) |
| return; |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x78, 0x40); |
| } |
| } |
| |
| /* Include pac common sof detection functions */ |
| #include "pac_common.h" |
| |
| static void do_autogain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int avg_lum = atomic_read(&sd->avg_lum); |
| int desired_lum, deadzone; |
| |
| if (avg_lum == -1) |
| return; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| desired_lum = 270 + sd->brightness * 4; |
| /* Hack hack, with the 7202 the first exposure step is |
| pretty large, so if we're about to make the first |
| exposure increase make the deadzone large to avoid |
| oscilating */ |
| if (desired_lum > avg_lum && sd->gain == GAIN_DEF && |
| sd->exposure > EXPOSURE_DEF && |
| sd->exposure < 42) |
| deadzone = 90; |
| else |
| deadzone = 30; |
| } else { |
| desired_lum = 200; |
| deadzone = 20; |
| } |
| |
| if (sd->autogain_ignore_frames > 0) |
| sd->autogain_ignore_frames--; |
| else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, desired_lum, |
| deadzone, GAIN_KNEE, EXPOSURE_KNEE)) |
| sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES; |
| } |
| |
| static const unsigned char pac7311_jpeg_header1[] = { |
| 0xff, 0xd8, 0xff, 0xc0, 0x00, 0x11, 0x08 |
| }; |
| |
| static const unsigned char pac7311_jpeg_header2[] = { |
| 0x03, 0x01, 0x21, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11, 0x01, 0xff, 0xda, |
| 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3f, 0x00 |
| }; |
| |
| /* 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; |
| unsigned char *sof; |
| |
| sof = pac_find_sof(gspca_dev, data, len); |
| if (sof) { |
| unsigned char tmpbuf[4]; |
| int n, lum_offset, footer_length; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| /* 6 bytes after the FF D9 EOF marker a number of lumination |
| bytes are send corresponding to different parts of the |
| image, the 14th and 15th byte after the EOF seem to |
| correspond to the center of the image */ |
| lum_offset = 61 + sizeof pac_sof_marker; |
| footer_length = 74; |
| } else { |
| lum_offset = 24 + sizeof pac_sof_marker; |
| footer_length = 26; |
| } |
| |
| /* Finish decoding current frame */ |
| n = (sof - data) - (footer_length + sizeof pac_sof_marker); |
| if (n < 0) { |
| frame->data_end += n; |
| n = 0; |
| } |
| frame = gspca_frame_add(gspca_dev, INTER_PACKET, frame, |
| data, n); |
| if (gspca_dev->last_packet_type != DISCARD_PACKET && |
| frame->data_end[-2] == 0xff && |
| frame->data_end[-1] == 0xd9) |
| frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, |
| NULL, 0); |
| |
| n = sof - data; |
| len -= n; |
| data = sof; |
| |
| /* Get average lumination */ |
| if (gspca_dev->last_packet_type == LAST_PACKET && |
| n >= lum_offset) |
| atomic_set(&sd->avg_lum, data[-lum_offset] + |
| data[-lum_offset + 1]); |
| else |
| atomic_set(&sd->avg_lum, -1); |
| |
| /* Start the new frame with the jpeg header */ |
| gspca_frame_add(gspca_dev, FIRST_PACKET, frame, |
| pac7311_jpeg_header1, sizeof(pac7311_jpeg_header1)); |
| if (sd->sensor == SENSOR_PAC7302) { |
| /* The PAC7302 has the image rotated 90 degrees */ |
| tmpbuf[0] = gspca_dev->width >> 8; |
| tmpbuf[1] = gspca_dev->width & 0xff; |
| tmpbuf[2] = gspca_dev->height >> 8; |
| tmpbuf[3] = gspca_dev->height & 0xff; |
| } else { |
| 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, |
| pac7311_jpeg_header2, sizeof(pac7311_jpeg_header2)); |
| } |
| gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); |
| } |
| |
| 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) |
| setbrightcont(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) { |
| if (sd->sensor == SENSOR_PAC7302) |
| setbrightcont(gspca_dev); |
| else |
| 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_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; |
| |
| *val = sd->colors; |
| return 0; |
| } |
| |
| 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_setautogain(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->autogain = val; |
| /* when switching to autogain set defaults to make sure |
| we are on a valid point of the autogain gain / |
| exposure knee graph, and give this change time to |
| take effect before doing autogain. */ |
| if (sd->autogain) { |
| sd->exposure = EXPOSURE_DEF; |
| sd->gain = GAIN_DEF; |
| if (gspca_dev->streaming) { |
| sd->autogain_ignore_frames = |
| PAC_AUTOGAIN_IGNORE_FRAMES; |
| setexposure(gspca_dev); |
| setgain(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; |
| } |
| |
| 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) |
| sethvflip(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) |
| sethvflip(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; |
| } |
| |
| /* sub-driver description */ |
| static 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, |
| .stop0 = sd_stop0, |
| .pkt_scan = sd_pkt_scan, |
| .dq_callback = do_autogain, |
| }; |
| |
| /* -- module initialisation -- */ |
| static __devinitdata struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x06f8, 0x3009), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2600), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x2601), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x2603), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x2608), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x260e), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x260f), .driver_info = SENSOR_PAC7311}, |
| {USB_DEVICE(0x093a, 0x2620), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2621), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2622), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2624), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2626), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x2629), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x262a), .driver_info = SENSOR_PAC7302}, |
| {USB_DEVICE(0x093a, 0x262c), .driver_info = SENSOR_PAC7302}, |
| {} |
| }; |
| 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) |
| { |
| int ret; |
| ret = usb_register(&sd_driver); |
| if (ret < 0) |
| return ret; |
| 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); |
