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path: root/drivers/media/video/gspca/se401.c
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Diffstat (limited to 'drivers/media/video/gspca/se401.c')
-rw-r--r--drivers/media/video/gspca/se401.c739
1 files changed, 0 insertions, 739 deletions
diff --git a/drivers/media/video/gspca/se401.c b/drivers/media/video/gspca/se401.c
deleted file mode 100644
index a33cb78a839c..000000000000
--- a/drivers/media/video/gspca/se401.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/*
- * GSPCA Endpoints (formerly known as AOX) se401 USB Camera sub Driver
- *
- * Copyright (C) 2011 Hans de Goede <hdegoede@redhat.com>
- *
- * Based on the v4l1 se401 driver which is:
- *
- * Copyright (c) 2000 Jeroen B. Vreeken (pe1rxq@amsat.org)
- *
- * 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
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#define MODULE_NAME "se401"
-
-#define BULK_SIZE 4096
-#define PACKET_SIZE 1024
-#define READ_REQ_SIZE 64
-#define MAX_MODES ((READ_REQ_SIZE - 6) / 4)
-/* The se401 compression algorithm uses a fixed quant factor, which
- can be configured by setting the high nibble of the SE401_OPERATINGMODE
- feature. This needs to exactly match what is in libv4l! */
-#define SE401_QUANT_FACT 8
-
-#include <linux/input.h>
-#include <linux/slab.h>
-#include "gspca.h"
-#include "se401.h"
-
-MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
-MODULE_DESCRIPTION("Endpoints se401");
-MODULE_LICENSE("GPL");
-
-/* exposure change state machine states */
-enum {
- EXPO_CHANGED,
- EXPO_DROP_FRAME,
- EXPO_NO_CHANGE,
-};
-
-/* specific webcam descriptor */
-struct sd {
- struct gspca_dev gspca_dev; /* !! must be the first item */
- struct { /* exposure/freq control cluster */
- struct v4l2_ctrl *exposure;
- struct v4l2_ctrl *freq;
- };
- bool has_brightness;
- struct v4l2_pix_format fmts[MAX_MODES];
- int pixels_read;
- int packet_read;
- u8 packet[PACKET_SIZE];
- u8 restart_stream;
- u8 button_state;
- u8 resetlevel;
- u8 resetlevel_frame_count;
- int resetlevel_adjust_dir;
- int expo_change_state;
-};
-
-
-static void se401_write_req(struct gspca_dev *gspca_dev, u16 req, u16 value,
- int silent)
-{
- int err;
-
- if (gspca_dev->usb_err < 0)
- return;
-
- err = usb_control_msg(gspca_dev->dev,
- usb_sndctrlpipe(gspca_dev->dev, 0), req,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, 0, NULL, 0, 1000);
- if (err < 0) {
- if (!silent)
- pr_err("write req failed req %#04x val %#04x error %d\n",
- req, value, err);
- gspca_dev->usb_err = err;
- }
-}
-
-static void se401_read_req(struct gspca_dev *gspca_dev, u16 req, int silent)
-{
- int err;
-
- if (gspca_dev->usb_err < 0)
- return;
-
- if (USB_BUF_SZ < READ_REQ_SIZE) {
- pr_err("USB_BUF_SZ too small!!\n");
- gspca_dev->usb_err = -ENOBUFS;
- return;
- }
-
- err = usb_control_msg(gspca_dev->dev,
- usb_rcvctrlpipe(gspca_dev->dev, 0), req,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, 0, gspca_dev->usb_buf, READ_REQ_SIZE, 1000);
- if (err < 0) {
- if (!silent)
- pr_err("read req failed req %#04x error %d\n",
- req, err);
- gspca_dev->usb_err = err;
- }
-}
-
-static void se401_set_feature(struct gspca_dev *gspca_dev,
- u16 selector, u16 param)
-{
- int err;
-
- if (gspca_dev->usb_err < 0)
- return;
-
- err = usb_control_msg(gspca_dev->dev,
- usb_sndctrlpipe(gspca_dev->dev, 0),
- SE401_REQ_SET_EXT_FEATURE,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- param, selector, NULL, 0, 1000);
- if (err < 0) {
- pr_err("set feature failed sel %#04x param %#04x error %d\n",
- selector, param, err);
- gspca_dev->usb_err = err;
- }
-}
-
-static int se401_get_feature(struct gspca_dev *gspca_dev, u16 selector)
-{
- int err;
-
- if (gspca_dev->usb_err < 0)
- return gspca_dev->usb_err;
-
- if (USB_BUF_SZ < 2) {
- pr_err("USB_BUF_SZ too small!!\n");
- gspca_dev->usb_err = -ENOBUFS;
- return gspca_dev->usb_err;
- }
-
- err = usb_control_msg(gspca_dev->dev,
- usb_rcvctrlpipe(gspca_dev->dev, 0),
- SE401_REQ_GET_EXT_FEATURE,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, selector, gspca_dev->usb_buf, 2, 1000);
- if (err < 0) {
- pr_err("get feature failed sel %#04x error %d\n",
- selector, err);
- gspca_dev->usb_err = err;
- return err;
- }
- return gspca_dev->usb_buf[0] | (gspca_dev->usb_buf[1] << 8);
-}
-
-static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
-{
- /* HDG: this does not seem to do anything on my cam */
- se401_write_req(gspca_dev, SE401_REQ_SET_BRT, val, 0);
-}
-
-static void setgain(struct gspca_dev *gspca_dev, s32 val)
-{
- u16 gain = 63 - val;
-
- /* red color gain */
- se401_set_feature(gspca_dev, HV7131_REG_ARCG, gain);
- /* green color gain */
- se401_set_feature(gspca_dev, HV7131_REG_AGCG, gain);
- /* blue color gain */
- se401_set_feature(gspca_dev, HV7131_REG_ABCG, gain);
-}
-
-static void setexposure(struct gspca_dev *gspca_dev, s32 val, s32 freq)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int integration = val << 6;
- u8 expose_h, expose_m, expose_l;
-
- /* Do this before the set_feature calls, for proper timing wrt
- the interrupt driven pkt_scan. Note we may still race but that
- is not a big issue, the expo change state machine is merely for
- avoiding underexposed frames getting send out, if one sneaks
- through so be it */
- sd->expo_change_state = EXPO_CHANGED;
-
- if (freq == V4L2_CID_POWER_LINE_FREQUENCY_50HZ)
- integration = integration - integration % 106667;
- if (freq == V4L2_CID_POWER_LINE_FREQUENCY_60HZ)
- integration = integration - integration % 88889;
-
- expose_h = (integration >> 16);
- expose_m = (integration >> 8);
- expose_l = integration;
-
- /* integration time low */
- se401_set_feature(gspca_dev, HV7131_REG_TITL, expose_l);
- /* integration time mid */
- se401_set_feature(gspca_dev, HV7131_REG_TITM, expose_m);
- /* integration time high */
- se401_set_feature(gspca_dev, HV7131_REG_TITU, expose_h);
-}
-
-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 = &gspca_dev->cam;
- u8 *cd = gspca_dev->usb_buf;
- int i, j, n;
- int widths[MAX_MODES], heights[MAX_MODES];
-
- /* Read the camera descriptor */
- se401_read_req(gspca_dev, SE401_REQ_GET_CAMERA_DESCRIPTOR, 1);
- if (gspca_dev->usb_err) {
- /* Sometimes after being idle for a while the se401 won't
- respond and needs a good kicking */
- usb_reset_device(gspca_dev->dev);
- gspca_dev->usb_err = 0;
- se401_read_req(gspca_dev, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0);
- }
-
- /* Some cameras start with their LED on */
- se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 0, 0);
- if (gspca_dev->usb_err)
- return gspca_dev->usb_err;
-
- if (cd[1] != 0x41) {
- pr_err("Wrong descriptor type\n");
- return -ENODEV;
- }
-
- if (!(cd[2] & SE401_FORMAT_BAYER)) {
- pr_err("Bayer format not supported!\n");
- return -ENODEV;
- }
-
- if (cd[3])
- pr_info("ExtraFeatures: %d\n", cd[3]);
-
- n = cd[4] | (cd[5] << 8);
- if (n > MAX_MODES) {
- pr_err("Too many frame sizes\n");
- return -ENODEV;
- }
-
- for (i = 0; i < n ; i++) {
- widths[i] = cd[6 + i * 4 + 0] | (cd[6 + i * 4 + 1] << 8);
- heights[i] = cd[6 + i * 4 + 2] | (cd[6 + i * 4 + 3] << 8);
- }
-
- for (i = 0; i < n ; i++) {
- sd->fmts[i].width = widths[i];
- sd->fmts[i].height = heights[i];
- sd->fmts[i].field = V4L2_FIELD_NONE;
- sd->fmts[i].colorspace = V4L2_COLORSPACE_SRGB;
- sd->fmts[i].priv = 1;
-
- /* janggu compression only works for 1/4th or 1/16th res */
- for (j = 0; j < n; j++) {
- if (widths[j] / 2 == widths[i] &&
- heights[j] / 2 == heights[i]) {
- sd->fmts[i].priv = 2;
- break;
- }
- }
- /* 1/16th if available too is better then 1/4th, because
- we then use a larger area of the sensor */
- for (j = 0; j < n; j++) {
- if (widths[j] / 4 == widths[i] &&
- heights[j] / 4 == heights[i]) {
- sd->fmts[i].priv = 4;
- break;
- }
- }
-
- if (sd->fmts[i].priv == 1) {
- /* Not a 1/4th or 1/16th res, use bayer */
- sd->fmts[i].pixelformat = V4L2_PIX_FMT_SBGGR8;
- sd->fmts[i].bytesperline = widths[i];
- sd->fmts[i].sizeimage = widths[i] * heights[i];
- pr_info("Frame size: %dx%d bayer\n",
- widths[i], heights[i]);
- } else {
- /* Found a match use janggu compression */
- sd->fmts[i].pixelformat = V4L2_PIX_FMT_SE401;
- sd->fmts[i].bytesperline = 0;
- sd->fmts[i].sizeimage = widths[i] * heights[i] * 3;
- pr_info("Frame size: %dx%d 1/%dth janggu\n",
- widths[i], heights[i],
- sd->fmts[i].priv * sd->fmts[i].priv);
- }
- }
-
- cam->cam_mode = sd->fmts;
- cam->nmodes = n;
- cam->bulk = 1;
- cam->bulk_size = BULK_SIZE;
- cam->bulk_nurbs = 4;
- sd->resetlevel = 0x2d; /* Set initial resetlevel */
-
- /* See if the camera supports brightness */
- se401_read_req(gspca_dev, SE401_REQ_GET_BRT, 1);
- sd->has_brightness = !!gspca_dev->usb_err;
- gspca_dev->usb_err = 0;
-
- return 0;
-}
-
-/* this function is called at probe and resume time */
-static int sd_init(struct gspca_dev *gspca_dev)
-{
- return 0;
-}
-
-/* function called at start time before URB creation */
-static int sd_isoc_init(struct gspca_dev *gspca_dev)
-{
- gspca_dev->alt = 1; /* Ignore the bogus isoc alt settings */
-
- return gspca_dev->usb_err;
-}
-
-/* -- start the camera -- */
-static int sd_start(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- int mult = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
- int mode = 0;
-
- se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 1, 1);
- if (gspca_dev->usb_err) {
- /* Sometimes after being idle for a while the se401 won't
- respond and needs a good kicking */
- usb_reset_device(gspca_dev->dev);
- gspca_dev->usb_err = 0;
- se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 1, 0);
- }
- se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 1, 0);
-
- se401_set_feature(gspca_dev, HV7131_REG_MODE_B, 0x05);
-
- /* set size + mode */
- se401_write_req(gspca_dev, SE401_REQ_SET_WIDTH,
- gspca_dev->width * mult, 0);
- se401_write_req(gspca_dev, SE401_REQ_SET_HEIGHT,
- gspca_dev->height * mult, 0);
- /*
- * HDG: disabled this as it does not seem to do anything
- * se401_write_req(gspca_dev, SE401_REQ_SET_OUTPUT_MODE,
- * SE401_FORMAT_BAYER, 0);
- */
-
- switch (mult) {
- case 1: /* Raw bayer */
- mode = 0x03; break;
- case 2: /* 1/4th janggu */
- mode = SE401_QUANT_FACT << 4; break;
- case 4: /* 1/16th janggu */
- mode = (SE401_QUANT_FACT << 4) | 0x02; break;
- }
- se401_set_feature(gspca_dev, SE401_OPERATINGMODE, mode);
-
- se401_set_feature(gspca_dev, HV7131_REG_ARLV, sd->resetlevel);
-
- sd->packet_read = 0;
- sd->pixels_read = 0;
- sd->restart_stream = 0;
- sd->resetlevel_frame_count = 0;
- sd->resetlevel_adjust_dir = 0;
- sd->expo_change_state = EXPO_NO_CHANGE;
-
- se401_write_req(gspca_dev, SE401_REQ_START_CONTINUOUS_CAPTURE, 0, 0);
-
- return gspca_dev->usb_err;
-}
-
-static void sd_stopN(struct gspca_dev *gspca_dev)
-{
- se401_write_req(gspca_dev, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, 0);
- se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 0, 0);
- se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 0, 0);
-}
-
-static void sd_dq_callback(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- unsigned int ahrc, alrc;
- int oldreset, adjust_dir;
-
- /* Restart the stream if requested do so by pkt_scan */
- if (sd->restart_stream) {
- sd_stopN(gspca_dev);
- sd_start(gspca_dev);
- sd->restart_stream = 0;
- }
-
- /* Automatically adjust sensor reset level
- Hyundai have some really nice docs about this and other sensor
- related stuff on their homepage: www.hei.co.kr */
- sd->resetlevel_frame_count++;
- if (sd->resetlevel_frame_count < 20)
- return;
-
- /* For some reason this normally read-only register doesn't get reset
- to zero after reading them just once... */
- se401_get_feature(gspca_dev, HV7131_REG_HIREFNOH);
- se401_get_feature(gspca_dev, HV7131_REG_HIREFNOL);
- se401_get_feature(gspca_dev, HV7131_REG_LOREFNOH);
- se401_get_feature(gspca_dev, HV7131_REG_LOREFNOL);
- ahrc = 256*se401_get_feature(gspca_dev, HV7131_REG_HIREFNOH) +
- se401_get_feature(gspca_dev, HV7131_REG_HIREFNOL);
- alrc = 256*se401_get_feature(gspca_dev, HV7131_REG_LOREFNOH) +
- se401_get_feature(gspca_dev, HV7131_REG_LOREFNOL);
-
- /* Not an exact science, but it seems to work pretty well... */
- oldreset = sd->resetlevel;
- if (alrc > 10) {
- while (alrc >= 10 && sd->resetlevel < 63) {
- sd->resetlevel++;
- alrc /= 2;
- }
- } else if (ahrc > 20) {
- while (ahrc >= 20 && sd->resetlevel > 0) {
- sd->resetlevel--;
- ahrc /= 2;
- }
- }
- /* Detect ping-pong-ing and halve adjustment to avoid overshoot */
- if (sd->resetlevel > oldreset)
- adjust_dir = 1;
- else
- adjust_dir = -1;
- if (sd->resetlevel_adjust_dir &&
- sd->resetlevel_adjust_dir != adjust_dir)
- sd->resetlevel = oldreset + (sd->resetlevel - oldreset) / 2;
-
- if (sd->resetlevel != oldreset) {
- sd->resetlevel_adjust_dir = adjust_dir;
- se401_set_feature(gspca_dev, HV7131_REG_ARLV, sd->resetlevel);
- }
-
- sd->resetlevel_frame_count = 0;
-}
-
-static void sd_complete_frame(struct gspca_dev *gspca_dev, u8 *data, int len)
-{
- struct sd *sd = (struct sd *)gspca_dev;
-
- switch (sd->expo_change_state) {
- case EXPO_CHANGED:
- /* The exposure was changed while this frame
- was being send, so this frame is ok */
- sd->expo_change_state = EXPO_DROP_FRAME;
- break;
- case EXPO_DROP_FRAME:
- /* The exposure was changed while this frame
- was being captured, drop it! */
- gspca_dev->last_packet_type = DISCARD_PACKET;
- sd->expo_change_state = EXPO_NO_CHANGE;
- break;
- case EXPO_NO_CHANGE:
- break;
- }
- gspca_frame_add(gspca_dev, LAST_PACKET, data, len);
-}
-
-static void sd_pkt_scan_janggu(struct gspca_dev *gspca_dev, u8 *data, int len)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- int imagesize = gspca_dev->width * gspca_dev->height;
- int i, plen, bits, pixels, info, count;
-
- if (sd->restart_stream)
- return;
-
- /* Sometimes a 1024 bytes garbage bulk packet is send between frames */
- if (gspca_dev->last_packet_type == LAST_PACKET && len == 1024) {
- gspca_dev->last_packet_type = DISCARD_PACKET;
- return;
- }
-
- i = 0;
- while (i < len) {
- /* Read header if not already be present from prev bulk pkt */
- if (sd->packet_read < 4) {
- count = 4 - sd->packet_read;
- if (count > len - i)
- count = len - i;
- memcpy(&sd->packet[sd->packet_read], &data[i], count);
- sd->packet_read += count;
- i += count;
- if (sd->packet_read < 4)
- break;
- }
- bits = sd->packet[3] + (sd->packet[2] << 8);
- pixels = sd->packet[1] + ((sd->packet[0] & 0x3f) << 8);
- info = (sd->packet[0] & 0xc0) >> 6;
- plen = ((bits + 47) >> 4) << 1;
- /* Sanity checks */
- if (plen > 1024) {
- pr_err("invalid packet len %d restarting stream\n",
- plen);
- goto error;
- }
- if (info == 3) {
- pr_err("unknown frame info value restarting stream\n");
- goto error;
- }
-
- /* Read (remainder of) packet contents */
- count = plen - sd->packet_read;
- if (count > len - i)
- count = len - i;
- memcpy(&sd->packet[sd->packet_read], &data[i], count);
- sd->packet_read += count;
- i += count;
- if (sd->packet_read < plen)
- break;
-
- sd->pixels_read += pixels;
- sd->packet_read = 0;
-
- switch (info) {
- case 0: /* Frame data */
- gspca_frame_add(gspca_dev, INTER_PACKET, sd->packet,
- plen);
- break;
- case 1: /* EOF */
- if (sd->pixels_read != imagesize) {
- pr_err("frame size %d expected %d\n",
- sd->pixels_read, imagesize);
- goto error;
- }
- sd_complete_frame(gspca_dev, sd->packet, plen);
- return; /* Discard the rest of the bulk packet !! */
- case 2: /* SOF */
- gspca_frame_add(gspca_dev, FIRST_PACKET, sd->packet,
- plen);
- sd->pixels_read = pixels;
- break;
- }
- }
- return;
-
-error:
- sd->restart_stream = 1;
- /* Give userspace a 0 bytes frame, so our dq callback gets
- called and it can restart the stream */
- gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
- gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
-}
-
-static void sd_pkt_scan_bayer(struct gspca_dev *gspca_dev, u8 *data, int len)
-{
- struct cam *cam = &gspca_dev->cam;
- int imagesize = cam->cam_mode[gspca_dev->curr_mode].sizeimage;
-
- if (gspca_dev->image_len == 0) {
- gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
- return;
- }
-
- if (gspca_dev->image_len + len >= imagesize) {
- sd_complete_frame(gspca_dev, data, len);
- return;
- }
-
- gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
-}
-
-static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, int len)
-{
- int mult = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
-
- if (len == 0)
- return;
-
- if (mult == 1) /* mult == 1 means raw bayer */
- sd_pkt_scan_bayer(gspca_dev, data, len);
- else
- sd_pkt_scan_janggu(gspca_dev, data, len);
-}
-
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
-static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, int len)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- u8 state;
-
- if (len != 2)
- return -EINVAL;
-
- switch (data[0]) {
- case 0:
- case 1:
- state = data[0];
- break;
- default:
- return -EINVAL;
- }
- if (sd->button_state != state) {
- input_report_key(gspca_dev->input_dev, KEY_CAMERA, state);
- input_sync(gspca_dev->input_dev);
- sd->button_state = state;
- }
-
- return 0;
-}
-#endif
-
-static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct gspca_dev *gspca_dev =
- container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
- struct sd *sd = (struct sd *)gspca_dev;
-
- gspca_dev->usb_err = 0;
-
- if (!gspca_dev->streaming)
- return 0;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- setbrightness(gspca_dev, ctrl->val);
- break;
- case V4L2_CID_GAIN:
- setgain(gspca_dev, ctrl->val);
- break;
- case V4L2_CID_EXPOSURE:
- setexposure(gspca_dev, ctrl->val, sd->freq->val);
- break;
- }
- return gspca_dev->usb_err;
-}
-
-static const struct v4l2_ctrl_ops sd_ctrl_ops = {
- .s_ctrl = sd_s_ctrl,
-};
-
-static int sd_init_controls(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
-
- gspca_dev->vdev.ctrl_handler = hdl;
- v4l2_ctrl_handler_init(hdl, 4);
- if (sd->has_brightness)
- v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
- V4L2_CID_BRIGHTNESS, 0, 255, 1, 15);
- /* max is really 63 but > 50 is not pretty */
- v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
- V4L2_CID_GAIN, 0, 50, 1, 25);
- sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
- V4L2_CID_EXPOSURE, 0, 32767, 1, 15000);
- sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
- V4L2_CID_POWER_LINE_FREQUENCY,
- V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
-
- if (hdl->error) {
- pr_err("Could not initialize controls\n");
- return hdl->error;
- }
- v4l2_ctrl_cluster(2, &sd->exposure);
- return 0;
-}
-
-/* sub-driver description */
-static const struct sd_desc sd_desc = {
- .name = MODULE_NAME,
- .config = sd_config,
- .init = sd_init,
- .init_controls = sd_init_controls,
- .isoc_init = sd_isoc_init,
- .start = sd_start,
- .stopN = sd_stopN,
- .dq_callback = sd_dq_callback,
- .pkt_scan = sd_pkt_scan,
-#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(0x03e8, 0x0004)}, /* Endpoints/Aox SE401 */
- {USB_DEVICE(0x0471, 0x030b)}, /* Philips PCVC665K */
- {USB_DEVICE(0x047d, 0x5001)}, /* Kensington 67014 */
- {USB_DEVICE(0x047d, 0x5002)}, /* Kensington 6701(5/7) */
- {USB_DEVICE(0x047d, 0x5003)}, /* Kensington 67016 */
- {}
-};
-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 int sd_pre_reset(struct usb_interface *intf)
-{
- return 0;
-}
-
-static int sd_post_reset(struct usb_interface *intf)
-{
- return 0;
-}
-
-static struct usb_driver sd_driver = {
- .name = MODULE_NAME,
- .id_table = device_table,
- .probe = sd_probe,
- .disconnect = gspca_disconnect,
-#ifdef CONFIG_PM
- .suspend = gspca_suspend,
- .resume = gspca_resume,
- .reset_resume = gspca_resume,
-#endif
- .pre_reset = sd_pre_reset,
- .post_reset = sd_post_reset,
-};
-
-module_usb_driver(sd_driver);