| /* |
| * 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" |
| #include "jpeg.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 tosof; /* number of bytes before next start of frame */ |
| signed char ag_cnt; |
| #define AG_CNT_START 13 |
| |
| __u8 sensor; |
| #define SENSOR_PAC7302 0 |
| #define SENSOR_PAC7311 1 |
| }; |
| |
| /* 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, |
| #define CONTRAST_MAX 255 |
| .maximum = CONTRAST_MAX, |
| .step = 1, |
| #define CONTRAST_DEF 60 |
| .default_value = CONTRAST_DEF, |
| }, |
| .set = sd_setcontrast, |
| .get = sd_getcontrast, |
| }, |
| { |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Saturation", |
| .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_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 probe_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, 0x03, /* 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 probe_7311[] = { |
| 0x78, 0x40, /* Bit_0=start stream, Bit_7=LED */ |
| 0x78, 0x40, /* Bit_0=start stream, Bit_7=LED */ |
| 0x78, 0x44, /* Bit_0=start stream, Bit_7=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, 0x01, |
| 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 __u8 reg_r(struct gspca_dev *gspca_dev, |
| __u8 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, |
| __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, |
| value, 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 > 32) { |
| 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; |
| cam->epaddr = 0x05; |
| |
| sd->sensor = id->driver_info; |
| if (sd->sensor == SENSOR_PAC7302) { |
| PDEBUG(D_CONF, "Find Sensor PAC7302"); |
| reg_w_seq(gspca_dev, probe_7302, sizeof probe_7302); |
| |
| cam->cam_mode = &vga_mode[2]; /* only 640x480 */ |
| cam->nmodes = 1; |
| } else { |
| PDEBUG(D_CONF, "Find Sensor PAC7311"); |
| reg_w_seq(gspca_dev, probe_7302, sizeof probe_7302); |
| |
| 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; |
| } |
| |
| /* rev 12a 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); |
| } |
| |
| static void setbrightness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int brightness; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| setbrightcont(gspca_dev); |
| return; |
| } |
| /*jfm: inverted?*/ |
| brightness = BRIGHTNESS_MAX - sd->brightness; |
| reg_w(gspca_dev, 0xff, 0x04); |
| 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; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| setbrightcont(gspca_dev); |
| return; |
| } |
| 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); |
| } |
| |
| static void setcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAC7302) |
| return; |
| 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->tosof = 0; |
| |
| if (sd->sensor == SENSOR_PAC7302) |
| reg_w_var(gspca_dev, start_7302); |
| else |
| reg_w_var(gspca_dev, start_7311); |
| |
| 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 pac7311 */ |
| 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 pac7311 */ |
| 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 */ |
| if (sd->sensor == SENSOR_PAC7302) |
| break; |
| 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); |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0x78, 0x01); |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x78, 0x01); |
| } else { |
| reg_w(gspca_dev, 0x78, 0x04); |
| reg_w(gspca_dev, 0x78, 0x05); |
| } |
| } |
| |
| 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, 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, 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) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x01); |
| reg_w(gspca_dev, 0x78, 0x40); |
| } |
| } |
| |
| /* this function is called at close time */ |
| static void sd_close(struct gspca_dev *gspca_dev) |
| { |
| } |
| |
| 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); |
| if (sd->sensor == SENSOR_PAC7302) { |
| reg_w(gspca_dev, 0xff, 0x03); |
| reg_w(gspca_dev, 0x10, Gbright); |
| /* load registers to sensor (Bit 0, auto clear) */ |
| reg_w(gspca_dev, 0x11, 0x01); |
| } else { |
| 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); |
| } |
| } |
| } |
| |
| /* 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 /* eof + inter frame + sof */ |
| #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 |
| */ |
| |
| if (sd->tosof != 0) { /* if 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]; |
| sd->tosof = 0; |
| jpeg_put_header(gspca_dev, frame, 1, 0x21); |
| } |
| |
| for (i = 0; i < len; i++) { |
| if (data[i] != 0xff) |
| continue; |
| switch (data[i + 1]) { |
| case 0xd9: /* 'ff d9' end of frame */ |
| frame = gspca_frame_add(gspca_dev, |
| LAST_PACKET, |
| frame, data, i + 2); |
| data += i + INTER_FRAME; |
| len -= i + INTER_FRAME; |
| i = 0; |
| if (len > -LUM_OFFSET) |
| sd->lum_sum += data[-LUM_OFFSET]; |
| if (len < 0) { |
| sd->tosof = -len; |
| break; |
| } |
| jpeg_put_header(gspca_dev, frame, 1, 0x21); |
| break; |
| } |
| } |
| gspca_frame_add(gspca_dev, INTER_PACKET, |
| frame, data, i); |
| } |
| |
| static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->brightness = val; |
| if (gspca_dev->streaming) |
| setbrightness(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->brightness; |
| return 0; |
| } |
| |
| static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->contrast = val; |
| if (gspca_dev->streaming) |
| setcontrast(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->contrast; |
| return 0; |
| } |
| |
| static int sd_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_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), .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, 0x2621), .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, |
| }; |
| |
| /* -- 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); |