diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/media/video/gspca/pac7311.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/gspca/pac7311.c | 871 |
1 files changed, 0 insertions, 871 deletions
diff --git a/ANDROID_3.4.5/drivers/media/video/gspca/pac7311.c b/ANDROID_3.4.5/drivers/media/video/gspca/pac7311.c deleted file mode 100644 index 1ac11117..00000000 --- a/ANDROID_3.4.5/drivers/media/video/gspca/pac7311.c +++ /dev/null @@ -1,871 +0,0 @@ -/* - * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#define MODULE_NAME "pac7311" - -#include <linux/input.h> -#include "gspca.h" - -MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li"); -MODULE_DESCRIPTION("Pixart PAC7311"); -MODULE_LICENSE("GPL"); - -/* specific webcam descriptor for pac7311 */ -struct sd { - struct gspca_dev gspca_dev; /* !! must be the first item */ - - unsigned char contrast; - unsigned char gain; - unsigned char exposure; - unsigned char autogain; - __u8 hflip; - __u8 vflip; - - u8 sof_read; - u8 autogain_ignore_frames; - - atomic_t avg_lum; -}; - -/* V4L2 controls supported by the driver */ -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_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 const struct ctrl sd_ctrls[] = { -/* 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, - }, -/* 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}, -}; - -#define LOAD_PAGE4 254 -#define END_OF_SEQUENCE 0 - -/* 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 */ - 0, LOAD_PAGE4, /* load the page 4 */ - 0x11, 1, 0x01, - 0, END_OF_SEQUENCE /* end of sequence */ -}; - -#define SKIP 0xaa -/* page 4 - the value SKIP says skip the index - see reg_w_page() */ -static const __u8 page4_7311[] = { - SKIP, SKIP, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f, - 0x09, 0x00, SKIP, SKIP, 0x07, 0x00, 0x00, 0x62, - 0x08, SKIP, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, SKIP, - SKIP, 0x00, 0x08, SKIP, 0x03, SKIP, 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 u8 *buffer, int len) -{ - int ret; - - if (gspca_dev->usb_err < 0) - return; - memcpy(gspca_dev->usb_buf, buffer, len); - ret = usb_control_msg(gspca_dev->dev, - usb_sndctrlpipe(gspca_dev->dev, 0), - 0, /* request */ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, gspca_dev->usb_buf, len, - 500); - if (ret < 0) { - pr_err("reg_w_buf() failed index 0x%02x, error %d\n", - index, ret); - gspca_dev->usb_err = ret; - } -} - - -static void reg_w(struct gspca_dev *gspca_dev, - __u8 index, - __u8 value) -{ - int ret; - - if (gspca_dev->usb_err < 0) - return; - gspca_dev->usb_buf[0] = value; - ret = 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); - if (ret < 0) { - pr_err("reg_w() failed index 0x%02x, value 0x%02x, error %d\n", - index, value, ret); - gspca_dev->usb_err = ret; - } -} - -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; - int ret = 0; - - if (gspca_dev->usb_err < 0) - return; - for (index = 0; index < len; index++) { - if (page[index] == SKIP) /* skip this index */ - continue; - gspca_dev->usb_buf[0] = page[index]; - ret = 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); - if (ret < 0) { - pr_err("reg_w_page() failed index 0x%02x, value 0x%02x, error %d\n", - index, page[index], ret); - gspca_dev->usb_err = ret; - break; - } - } -} - -/* output a variable sequence */ -static void reg_w_var(struct gspca_dev *gspca_dev, - const __u8 *seq, - const __u8 *page4, unsigned int page4_len) -{ - int index, len; - - for (;;) { - index = *seq++; - len = *seq++; - switch (len) { - case END_OF_SEQUENCE: - return; - case LOAD_PAGE4: - reg_w_page(gspca_dev, page4, page4_len); - break; - default: - if (len > USB_BUF_SZ) { - 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 for pac7311 */ -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; - - PDEBUG(D_CONF, "Find Sensor PAC7311"); - cam->cam_mode = vga_mode; - cam->nmodes = ARRAY_SIZE(vga_mode); - - sd->contrast = CONTRAST_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 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); -} - -static void setgain(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - 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; - - 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; - - 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 for pac7311 */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - reg_w_seq(gspca_dev, init_7311, sizeof(init_7311)/2); - return gspca_dev->usb_err; -} - -static int sd_start(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->sof_read = 0; - - reg_w_var(gspca_dev, start_7311, - page4_7311, sizeof(page4_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 */ - 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); - reg_w(gspca_dev, 0x78, 0x05); - - return gspca_dev->usb_err; -} - -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, 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 for 7311 */ -static void sd_stop0(struct gspca_dev *gspca_dev) -{ -} - -/* 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; - - 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; -} - -/* JPEG header, part 1 */ -static const unsigned char pac_jpeg_header1[] = { - 0xff, 0xd8, /* SOI: Start of Image */ - - 0xff, 0xc0, /* SOF0: Start of Frame (Baseline DCT) */ - 0x00, 0x11, /* length = 17 bytes (including this length field) */ - 0x08 /* Precision: 8 */ - /* 2 bytes is placed here: number of image lines */ - /* 2 bytes is placed here: samples per line */ -}; - -/* JPEG header, continued */ -static const unsigned char pac_jpeg_header2[] = { - 0x03, /* Number of image components: 3 */ - 0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */ - 0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */ - 0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */ - - 0xff, 0xda, /* SOS: Start Of Scan */ - 0x00, 0x0c, /* length = 12 bytes (including this length field) */ - 0x03, /* number of components: 3 */ - 0x01, 0x00, /* selector 1, table 0x00 */ - 0x02, 0x11, /* selector 2, table 0x11 */ - 0x03, 0x11, /* selector 3, table 0x11 */ - 0x00, 0x3f, /* Spectral selection: 0 .. 63 */ - 0x00 /* Successive approximation: 0 */ -}; - -static void pac_start_frame(struct gspca_dev *gspca_dev, - __u16 lines, __u16 samples_per_line) -{ - unsigned char tmpbuf[4]; - - gspca_frame_add(gspca_dev, FIRST_PACKET, - pac_jpeg_header1, sizeof(pac_jpeg_header1)); - - tmpbuf[0] = lines >> 8; - tmpbuf[1] = lines & 0xff; - tmpbuf[2] = samples_per_line >> 8; - tmpbuf[3] = samples_per_line & 0xff; - - gspca_frame_add(gspca_dev, INTER_PACKET, - tmpbuf, sizeof(tmpbuf)); - gspca_frame_add(gspca_dev, INTER_PACKET, - pac_jpeg_header2, sizeof(pac_jpeg_header2)); -} - -/* this function is run at interrupt level */ -static void sd_pkt_scan(struct gspca_dev *gspca_dev, - u8 *data, /* isoc packet */ - int len) /* iso packet length */ -{ - struct sd *sd = (struct sd *) gspca_dev; - u8 *image; - unsigned char *sof; - - sof = pac_find_sof(&sd->sof_read, data, len); - if (sof) { - int n, lum_offset, footer_length; - - /* 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 = 24 + sizeof pac_sof_marker; - footer_length = 26; - - /* Finish decoding current frame */ - n = (sof - data) - (footer_length + sizeof pac_sof_marker); - if (n < 0) { - gspca_dev->image_len += n; - n = 0; - } else { - gspca_frame_add(gspca_dev, INTER_PACKET, data, n); - } - image = gspca_dev->image; - if (image != NULL - && image[gspca_dev->image_len - 2] == 0xff - && image[gspca_dev->image_len - 1] == 0xd9) - gspca_frame_add(gspca_dev, LAST_PACKET, 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 */ - pac_start_frame(gspca_dev, - gspca_dev->height, gspca_dev->width); - } - gspca_frame_add(gspca_dev, INTER_PACKET, data, len); -} - -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 gspca_dev->usb_err; -} - -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_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 gspca_dev->usb_err; -} - -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 gspca_dev->usb_err; -} - -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 gspca_dev->usb_err; -} - -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 gspca_dev->usb_err; -} - -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 gspca_dev->usb_err; -} - -static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->vflip; - return 0; -} - -#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) -static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, - u8 *data, /* interrupt packet data */ - int len) /* interrupt packet length */ -{ - int ret = -EINVAL; - u8 data0, data1; - - if (len == 2) { - data0 = data[0]; - data1 = data[1]; - if ((data0 == 0x00 && data1 == 0x11) || - (data0 == 0x22 && data1 == 0x33) || - (data0 == 0x44 && data1 == 0x55) || - (data0 == 0x66 && data1 == 0x77) || - (data0 == 0x88 && data1 == 0x99) || - (data0 == 0xaa && data1 == 0xbb) || - (data0 == 0xcc && data1 == 0xdd) || - (data0 == 0xee && data1 == 0xff)) { - input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); - input_sync(gspca_dev->input_dev); - input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); - input_sync(gspca_dev->input_dev); - ret = 0; - } - } - - return ret; -} -#endif - -/* sub-driver description for pac7311 */ -static const struct sd_desc sd_desc = { - .name = MODULE_NAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), - .config = sd_config, - .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, - .stop0 = sd_stop0, - .pkt_scan = sd_pkt_scan, - .dq_callback = do_autogain, -#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) - .int_pkt_scan = sd_int_pkt_scan, -#endif -}; - -/* -- module initialisation -- */ -static const 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)}, - {} -}; -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_usb_driver(sd_driver); |