+++ /dev/null
-/*
- * Endpoints (formerly known as AOX) se401 USB Camera Driver
- *
- * Copyright (c) 2000 Jeroen B. Vreeken (pe1rxq@amsat.org)
- *
- * Still somewhat based on the Linux ov511 driver.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- * Thanks to Endpoints Inc. (www.endpoints.com) for making documentation on
- * their chipset available and supporting me while writing this driver.
- * - Jeroen Vreeken
- */
-
-static const char version[] = "0.24";
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-#include <linux/usb.h>
-#include "se401.h"
-
-static int flickerless;
-static int video_nr = -1;
-
-static 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);
-
-MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
-MODULE_DESCRIPTION("SE401 USB Camera Driver");
-MODULE_LICENSE("GPL");
-module_param(flickerless, int, 0);
-MODULE_PARM_DESC(flickerless,
- "Net frequency to adjust exposure time to (0/50/60)");
-module_param(video_nr, int, 0);
-
-static struct usb_driver se401_driver;
-
-
-/**********************************************************************
- *
- * Memory management
- *
- **********************************************************************/
-static void *rvmalloc(unsigned long size)
-{
- void *mem;
- unsigned long adr;
-
- size = PAGE_ALIGN(size);
- mem = vmalloc_32(size);
- if (!mem)
- return NULL;
-
- memset(mem, 0, size); /* Clear the ram out, no junk to the user */
- adr = (unsigned long) mem;
- while (size > 0) {
- SetPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
-
- return mem;
-}
-
-static void rvfree(void *mem, unsigned long size)
-{
- unsigned long adr;
-
- if (!mem)
- return;
-
- adr = (unsigned long) mem;
- while ((long) size > 0) {
- ClearPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- vfree(mem);
-}
-
-
-
-/****************************************************************************
- *
- * se401 register read/write functions
- *
- ***************************************************************************/
-
-static int se401_sndctrl(int set, struct usb_se401 *se401, unsigned short req,
- unsigned short value, unsigned char *cp, int size)
-{
- return usb_control_msg(
- se401->dev,
- set ? usb_sndctrlpipe(se401->dev, 0) : usb_rcvctrlpipe(se401->dev, 0),
- req,
- (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- 0,
- cp,
- size,
- 1000
- );
-}
-
-static int se401_set_feature(struct usb_se401 *se401, unsigned short selector,
- unsigned short param)
-{
- /* specs say that the selector (address) should go in the value field
- and the param in index, but in the logs of the windows driver they do
- this the other way around...
- */
- return usb_control_msg(
- se401->dev,
- usb_sndctrlpipe(se401->dev, 0),
- SE401_REQ_SET_EXT_FEATURE,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- param,
- selector,
- NULL,
- 0,
- 1000
- );
-}
-
-static unsigned short se401_get_feature(struct usb_se401 *se401,
- unsigned short selector)
-{
- /* For 'set' the selecetor should be in index, not sure if the spec is
- wrong here to....
- */
- unsigned char cp[2];
- usb_control_msg(
- se401->dev,
- usb_rcvctrlpipe(se401->dev, 0),
- SE401_REQ_GET_EXT_FEATURE,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0,
- selector,
- cp,
- 2,
- 1000
- );
- return cp[0]+cp[1]*256;
-}
-
-/****************************************************************************
- *
- * Camera control
- *
- ***************************************************************************/
-
-
-static int se401_send_pict(struct usb_se401 *se401)
-{
- /* integration time low */
- se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l);
- /* integration time mid */
- se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m);
- /* integration time mid */
- se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h);
- /* reset level value */
- se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);
- /* red color gain */
- se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain);
- /* green color gain */
- se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain);
- /* blue color gain */
- se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain);
-
- return 0;
-}
-
-static void se401_set_exposure(struct usb_se401 *se401, int brightness)
-{
- int integration = brightness << 5;
-
- if (flickerless == 50)
- integration = integration-integration % 106667;
- if (flickerless == 60)
- integration = integration-integration % 88889;
- se401->brightness = integration >> 5;
- se401->expose_h = (integration >> 16) & 0xff;
- se401->expose_m = (integration >> 8) & 0xff;
- se401->expose_l = integration & 0xff;
-}
-
-static int se401_get_pict(struct usb_se401 *se401, struct video_picture *p)
-{
- p->brightness = se401->brightness;
- if (se401->enhance)
- p->whiteness = 32768;
- else
- p->whiteness = 0;
-
- p->colour = 65535;
- p->contrast = 65535;
- p->hue = se401->rgain << 10;
- p->palette = se401->palette;
- p->depth = 3; /* rgb24 */
- return 0;
-}
-
-
-static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p)
-{
- if (p->palette != VIDEO_PALETTE_RGB24)
- return 1;
- se401->palette = p->palette;
- if (p->hue != se401->hue) {
- se401->rgain = p->hue >> 10;
- se401->bgain = 0x40-(p->hue >> 10);
- se401->hue = p->hue;
- }
- if (p->brightness != se401->brightness)
- se401_set_exposure(se401, p->brightness);
-
- if (p->whiteness >= 32768)
- se401->enhance = 1;
- else
- se401->enhance = 0;
- se401_send_pict(se401);
- se401_send_pict(se401);
- return 0;
-}
-
-/*
- Hyundai have some really nice docs about this and other sensor related
- stuff on their homepage: www.hei.co.kr
-*/
-static void se401_auto_resetlevel(struct usb_se401 *se401)
-{
- unsigned int ahrc, alrc;
- int oldreset = se401->resetlevel;
-
- /* For some reason this normally read-only register doesn't get reset
- to zero after reading them just once...
- */
- se401_get_feature(se401, HV7131_REG_HIREFNOH);
- se401_get_feature(se401, HV7131_REG_HIREFNOL);
- se401_get_feature(se401, HV7131_REG_LOREFNOH);
- se401_get_feature(se401, HV7131_REG_LOREFNOL);
- ahrc = 256*se401_get_feature(se401, HV7131_REG_HIREFNOH) +
- se401_get_feature(se401, HV7131_REG_HIREFNOL);
- alrc = 256*se401_get_feature(se401, HV7131_REG_LOREFNOH) +
- se401_get_feature(se401, HV7131_REG_LOREFNOL);
-
- /* Not an exact science, but it seems to work pretty well... */
- if (alrc > 10) {
- while (alrc >= 10 && se401->resetlevel < 63) {
- se401->resetlevel++;
- alrc /= 2;
- }
- } else if (ahrc > 20) {
- while (ahrc >= 20 && se401->resetlevel > 0) {
- se401->resetlevel--;
- ahrc /= 2;
- }
- }
- if (se401->resetlevel != oldreset)
- se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);
-
- return;
-}
-
-/* irq handler for snapshot button */
-static void se401_button_irq(struct urb *urb)
-{
- struct usb_se401 *se401 = urb->context;
- int status;
-
- if (!se401->dev) {
- dev_info(&urb->dev->dev, "device vapourished\n");
- return;
- }
-
- switch (urb->status) {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d",
- __func__, urb->status);
- return;
- default:
- dbg("%s - nonzero urb status received: %d",
- __func__, urb->status);
- goto exit;
- }
-
- if (urb->actual_length >= 2)
- if (se401->button)
- se401->buttonpressed = 1;
-exit:
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status)
- err("%s - usb_submit_urb failed with result %d",
- __func__, status);
-}
-
-static void se401_video_irq(struct urb *urb)
-{
- struct usb_se401 *se401 = urb->context;
- int length = urb->actual_length;
-
- /* ohoh... */
- if (!se401->streaming)
- return;
-
- if (!se401->dev) {
- dev_info(&urb->dev->dev, "device vapourished\n");
- return;
- }
-
- /* 0 sized packets happen if we are to fast, but sometimes the camera
- keeps sending them forever...
- */
- if (length && !urb->status) {
- se401->nullpackets = 0;
- switch (se401->scratch[se401->scratch_next].state) {
- case BUFFER_READY:
- case BUFFER_BUSY:
- se401->dropped++;
- break;
- case BUFFER_UNUSED:
- memcpy(se401->scratch[se401->scratch_next].data,
- (unsigned char *)urb->transfer_buffer, length);
- se401->scratch[se401->scratch_next].state
- = BUFFER_READY;
- se401->scratch[se401->scratch_next].offset
- = se401->bayeroffset;
- se401->scratch[se401->scratch_next].length = length;
- if (waitqueue_active(&se401->wq))
- wake_up_interruptible(&se401->wq);
- se401->scratch_overflow = 0;
- se401->scratch_next++;
- if (se401->scratch_next >= SE401_NUMSCRATCH)
- se401->scratch_next = 0;
- break;
- }
- se401->bayeroffset += length;
- if (se401->bayeroffset >= se401->cheight * se401->cwidth)
- se401->bayeroffset = 0;
- } else {
- se401->nullpackets++;
- if (se401->nullpackets > SE401_MAX_NULLPACKETS)
- if (waitqueue_active(&se401->wq))
- wake_up_interruptible(&se401->wq);
- }
-
- /* Resubmit urb for new data */
- urb->status = 0;
- urb->dev = se401->dev;
- if (usb_submit_urb(urb, GFP_KERNEL))
- dev_info(&urb->dev->dev, "urb burned down\n");
- return;
-}
-
-static void se401_send_size(struct usb_se401 *se401, int width, int height)
-{
- int i = 0;
- int mode = 0x03; /* No compression */
- int sendheight = height;
- int sendwidth = width;
-
- /* JangGu compression can only be used with the camera supported sizes,
- but bayer seems to work with any size that fits on the sensor.
- We check if we can use compression with the current size with either
- 4 or 16 times subcapturing, if not we use uncompressed bayer data
- but this will result in cutouts of the maximum size....
- */
- while (i < se401->sizes && !(se401->width[i] == width &&
- se401->height[i] == height))
- i++;
- while (i < se401->sizes) {
- if (se401->width[i] == width * 2 &&
- se401->height[i] == height * 2) {
- sendheight = se401->height[i];
- sendwidth = se401->width[i];
- mode = 0x40;
- }
- if (se401->width[i] == width * 4 &&
- se401->height[i] == height * 4) {
- sendheight = se401->height[i];
- sendwidth = se401->width[i];
- mode = 0x42;
- }
- i++;
- }
-
- se401_sndctrl(1, se401, SE401_REQ_SET_WIDTH, sendwidth, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_SET_HEIGHT, sendheight, NULL, 0);
- se401_set_feature(se401, SE401_OPERATINGMODE, mode);
-
- if (mode == 0x03)
- se401->format = FMT_BAYER;
- else
- se401->format = FMT_JANGGU;
-}
-
-/*
- In this function se401_send_pict is called several times,
- for some reason (depending on the state of the sensor and the phase of
- the moon :) doing this only in either place doesn't always work...
-*/
-static int se401_start_stream(struct usb_se401 *se401)
-{
- struct urb *urb;
- int err = 0, i;
- se401->streaming = 1;
-
- se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0);
-
- /* Set picture settings */
- /* windowed + pix intg */
- se401_set_feature(se401, HV7131_REG_MODE_B, 0x05);
- se401_send_pict(se401);
-
- se401_send_size(se401, se401->cwidth, se401->cheight);
-
- se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE,
- 0, NULL, 0);
-
- /* Do some memory allocation */
- for (i = 0; i < SE401_NUMFRAMES; i++) {
- se401->frame[i].data = se401->fbuf + i * se401->maxframesize;
- se401->frame[i].curpix = 0;
- }
- for (i = 0; i < SE401_NUMSBUF; i++) {
- se401->sbuf[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
- if (!se401->sbuf[i].data) {
- for (i = i - 1; i >= 0; i--) {
- kfree(se401->sbuf[i].data);
- se401->sbuf[i].data = NULL;
- }
- return -ENOMEM;
- }
- }
-
- se401->bayeroffset = 0;
- se401->scratch_next = 0;
- se401->scratch_use = 0;
- se401->scratch_overflow = 0;
- for (i = 0; i < SE401_NUMSCRATCH; i++) {
- se401->scratch[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
- if (!se401->scratch[i].data) {
- for (i = i - 1; i >= 0; i--) {
- kfree(se401->scratch[i].data);
- se401->scratch[i].data = NULL;
- }
- goto nomem_sbuf;
- }
- se401->scratch[i].state = BUFFER_UNUSED;
- }
-
- for (i = 0; i < SE401_NUMSBUF; i++) {
- urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- for (i = i - 1; i >= 0; i--) {
- usb_kill_urb(se401->urb[i]);
- usb_free_urb(se401->urb[i]);
- se401->urb[i] = NULL;
- }
- goto nomem_scratch;
- }
-
- usb_fill_bulk_urb(urb, se401->dev,
- usb_rcvbulkpipe(se401->dev, SE401_VIDEO_ENDPOINT),
- se401->sbuf[i].data, SE401_PACKETSIZE,
- se401_video_irq,
- se401);
-
- se401->urb[i] = urb;
-
- err = usb_submit_urb(se401->urb[i], GFP_KERNEL);
- if (err)
- err("urb burned down");
- }
-
- se401->framecount = 0;
-
- return 0;
-
- nomem_scratch:
- for (i = 0; i < SE401_NUMSCRATCH; i++) {
- kfree(se401->scratch[i].data);
- se401->scratch[i].data = NULL;
- }
- nomem_sbuf:
- for (i = 0; i < SE401_NUMSBUF; i++) {
- kfree(se401->sbuf[i].data);
- se401->sbuf[i].data = NULL;
- }
- return -ENOMEM;
-}
-
-static int se401_stop_stream(struct usb_se401 *se401)
-{
- int i;
-
- if (!se401->streaming || !se401->dev)
- return 1;
-
- se401->streaming = 0;
-
- se401_sndctrl(1, se401, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, NULL, 0);
-
- se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0);
-
- for (i = 0; i < SE401_NUMSBUF; i++)
- if (se401->urb[i]) {
- usb_kill_urb(se401->urb[i]);
- usb_free_urb(se401->urb[i]);
- se401->urb[i] = NULL;
- kfree(se401->sbuf[i].data);
- }
- for (i = 0; i < SE401_NUMSCRATCH; i++) {
- kfree(se401->scratch[i].data);
- se401->scratch[i].data = NULL;
- }
-
- return 0;
-}
-
-static int se401_set_size(struct usb_se401 *se401, int width, int height)
-{
- int wasstreaming = se401->streaming;
- /* Check to see if we need to change */
- if (se401->cwidth == width && se401->cheight == height)
- return 0;
-
- /* Check for a valid mode */
- if (!width || !height)
- return 1;
- if ((width & 1) || (height & 1))
- return 1;
- if (width > se401->width[se401->sizes-1])
- return 1;
- if (height > se401->height[se401->sizes-1])
- return 1;
-
- /* Stop a current stream and start it again at the new size */
- if (wasstreaming)
- se401_stop_stream(se401);
- se401->cwidth = width;
- se401->cheight = height;
- if (wasstreaming)
- se401_start_stream(se401);
- return 0;
-}
-
-
-/****************************************************************************
- *
- * Video Decoding
- *
- ***************************************************************************/
-
-/*
- This shouldn't really be done in a v4l driver....
- But it does make the image look a lot more usable.
- Basically it lifts the dark pixels more than the light pixels.
-*/
-static inline void enhance_picture(unsigned char *frame, int len)
-{
- while (len--) {
- *frame = (((*frame^255)*(*frame^255))/255)^255;
- frame++;
- }
-}
-
-static inline void decode_JangGu_integrate(struct usb_se401 *se401, int data)
-{
- struct se401_frame *frame = &se401->frame[se401->curframe];
- int linelength = se401->cwidth * 3;
-
- if (frame->curlinepix >= linelength) {
- frame->curlinepix = 0;
- frame->curline += linelength;
- }
-
- /* First three are absolute, all others relative.
- * Format is rgb from right to left (mirrorred image),
- * we flip it to get bgr from left to right. */
- if (frame->curlinepix < 3)
- *(frame->curline-frame->curlinepix) = 1 + data * 4;
- else
- *(frame->curline-frame->curlinepix) =
- *(frame->curline-frame->curlinepix + 3) + data * 4;
- frame->curlinepix++;
-}
-
-static inline void decode_JangGu_vlc(struct usb_se401 *se401,
- unsigned char *data, int bit_exp, int packetlength)
-{
- int pos = 0;
- int vlc_cod = 0;
- int vlc_size = 0;
- int vlc_data = 0;
- int bit_cur;
- int bit;
- data += 4;
- while (pos < packetlength) {
- bit_cur = 8;
- while (bit_cur && bit_exp) {
- bit = ((*data) >> (bit_cur-1))&1;
- if (!vlc_cod) {
- if (bit) {
- vlc_size++;
- } else {
- if (!vlc_size)
- decode_JangGu_integrate(se401, 0);
- else {
- vlc_cod = 2;
- vlc_data = 0;
- }
- }
- } else {
- if (vlc_cod == 2) {
- if (!bit)
- vlc_data = -(1 << vlc_size) + 1;
- vlc_cod--;
- }
- vlc_size--;
- vlc_data += bit << vlc_size;
- if (!vlc_size) {
- decode_JangGu_integrate(se401, vlc_data);
- vlc_cod = 0;
- }
- }
- bit_cur--;
- bit_exp--;
- }
- pos++;
- data++;
- }
-}
-
-static inline void decode_JangGu(struct usb_se401 *se401,
- struct se401_scratch *buffer)
-{
- unsigned char *data = buffer->data;
- int len = buffer->length;
- int bit_exp = 0, pix_exp = 0, frameinfo = 0, packetlength = 0, size;
- int datapos = 0;
-
- /* New image? */
- if (!se401->frame[se401->curframe].curpix) {
- se401->frame[se401->curframe].curlinepix = 0;
- se401->frame[se401->curframe].curline =
- se401->frame[se401->curframe].data+
- se401->cwidth * 3 - 1;
- if (se401->frame[se401->curframe].grabstate == FRAME_READY)
- se401->frame[se401->curframe].grabstate = FRAME_GRABBING;
- se401->vlcdatapos = 0;
- }
- while (datapos < len) {
- size = 1024 - se401->vlcdatapos;
- if (size+datapos > len)
- size = len-datapos;
- memcpy(se401->vlcdata+se401->vlcdatapos, data+datapos, size);
- se401->vlcdatapos += size;
- packetlength = 0;
- if (se401->vlcdatapos >= 4) {
- bit_exp = se401->vlcdata[3] + (se401->vlcdata[2] << 8);
- pix_exp = se401->vlcdata[1] +
- ((se401->vlcdata[0] & 0x3f) << 8);
- frameinfo = se401->vlcdata[0] & 0xc0;
- packetlength = ((bit_exp + 47) >> 4) << 1;
- if (packetlength > 1024) {
- se401->vlcdatapos = 0;
- datapos = len;
- packetlength = 0;
- se401->error++;
- se401->frame[se401->curframe].curpix = 0;
- }
- }
- if (packetlength && se401->vlcdatapos >= packetlength) {
- decode_JangGu_vlc(se401, se401->vlcdata, bit_exp,
- packetlength);
- se401->frame[se401->curframe].curpix += pix_exp * 3;
- datapos += size-(se401->vlcdatapos-packetlength);
- se401->vlcdatapos = 0;
- if (se401->frame[se401->curframe].curpix >= se401->cwidth * se401->cheight * 3) {
- if (se401->frame[se401->curframe].curpix == se401->cwidth * se401->cheight * 3) {
- if (se401->frame[se401->curframe].grabstate == FRAME_GRABBING) {
- se401->frame[se401->curframe].grabstate = FRAME_DONE;
- se401->framecount++;
- se401->readcount++;
- }
- if (se401->frame[(se401->curframe + 1) & (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY)
- se401->curframe = (se401->curframe + 1) & (SE401_NUMFRAMES - 1);
- } else
- se401->error++;
- se401->frame[se401->curframe].curpix = 0;
- datapos = len;
- }
- } else
- datapos += size;
- }
-}
-
-static inline void decode_bayer(struct usb_se401 *se401,
- struct se401_scratch *buffer)
-{
- unsigned char *data = buffer->data;
- int len = buffer->length;
- int offset = buffer->offset;
- int datasize = se401->cwidth * se401->cheight;
- struct se401_frame *frame = &se401->frame[se401->curframe];
- unsigned char *framedata = frame->data, *curline, *nextline;
- int width = se401->cwidth;
- int blineoffset = 0, bline;
- int linelength = width * 3, i;
-
-
- if (frame->curpix == 0) {
- if (frame->grabstate == FRAME_READY)
- frame->grabstate = FRAME_GRABBING;
-
- frame->curline = framedata + linelength;
- frame->curlinepix = 0;
- }
-
- if (offset != frame->curpix) {
- /* Regard frame as lost :( */
- frame->curpix = 0;
- se401->error++;
- return;
- }
-
- /* Check if we have to much data */
- if (frame->curpix + len > datasize)
- len = datasize-frame->curpix;
-
- if (se401->cheight % 4)
- blineoffset = 1;
- bline = frame->curpix / se401->cwidth+blineoffset;
-
- curline = frame->curline;
- nextline = curline + linelength;
- if (nextline >= framedata+datasize * 3)
- nextline = curline;
- while (len) {
- if (frame->curlinepix >= width) {
- frame->curlinepix -= width;
- bline = frame->curpix / width + blineoffset;
- curline += linelength*2;
- nextline += linelength*2;
- if (curline >= framedata+datasize * 3) {
- frame->curlinepix++;
- curline -= 3;
- nextline -= 3;
- len--;
- data++;
- frame->curpix++;
- }
- if (nextline >= framedata+datasize*3)
- nextline = curline;
- }
- if (bline & 1) {
- if (frame->curlinepix & 1) {
- *(curline + 2) = *data;
- *(curline - 1) = *data;
- *(nextline + 2) = *data;
- *(nextline - 1) = *data;
- } else {
- *(curline + 1) =
- (*(curline + 1) + *data) / 2;
- *(curline-2) =
- (*(curline - 2) + *data) / 2;
- *(nextline + 1) = *data;
- *(nextline - 2) = *data;
- }
- } else {
- if (frame->curlinepix & 1) {
- *(curline + 1) =
- (*(curline + 1) + *data) / 2;
- *(curline - 2) =
- (*(curline - 2) + *data) / 2;
- *(nextline + 1) = *data;
- *(nextline - 2) = *data;
- } else {
- *curline = *data;
- *(curline - 3) = *data;
- *nextline = *data;
- *(nextline - 3) = *data;
- }
- }
- frame->curlinepix++;
- curline -= 3;
- nextline -= 3;
- len--;
- data++;
- frame->curpix++;
- }
- frame->curline = curline;
-
- if (frame->curpix >= datasize) {
- /* Fix the top line */
- framedata += linelength;
- for (i = 0; i < linelength; i++) {
- framedata--;
- *framedata = *(framedata + linelength);
- }
- /* Fix the left side (green is already present) */
- for (i = 0; i < se401->cheight; i++) {
- *framedata = *(framedata + 3);
- *(framedata + 1) = *(framedata + 4);
- *(framedata + 2) = *(framedata + 5);
- framedata += linelength;
- }
- frame->curpix = 0;
- frame->grabstate = FRAME_DONE;
- se401->framecount++;
- se401->readcount++;
- if (se401->frame[(se401->curframe + 1) &
- (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) {
- se401->curframe = (se401->curframe+1) &
- (SE401_NUMFRAMES-1);
- }
- }
-}
-
-static int se401_newframe(struct usb_se401 *se401, int framenr)
-{
- DECLARE_WAITQUEUE(wait, current);
- int errors = 0;
-
- while (se401->streaming &&
- (se401->frame[framenr].grabstate == FRAME_READY ||
- se401->frame[framenr].grabstate == FRAME_GRABBING)) {
- if (!se401->frame[framenr].curpix)
- errors++;
-
- wait_interruptible(
- se401->scratch[se401->scratch_use].state != BUFFER_READY,
- &se401->wq, &wait);
- if (se401->nullpackets > SE401_MAX_NULLPACKETS) {
- se401->nullpackets = 0;
- dev_info(&se401->dev->dev,
- "too many null length packets, restarting capture\n");
- se401_stop_stream(se401);
- se401_start_stream(se401);
- } else {
- if (se401->scratch[se401->scratch_use].state !=
- BUFFER_READY) {
- se401->frame[framenr].grabstate = FRAME_ERROR;
- return -EIO;
- }
- se401->scratch[se401->scratch_use].state = BUFFER_BUSY;
- if (se401->format == FMT_JANGGU)
- decode_JangGu(se401,
- &se401->scratch[se401->scratch_use]);
- else
- decode_bayer(se401,
- &se401->scratch[se401->scratch_use]);
-
- se401->scratch[se401->scratch_use].state =
- BUFFER_UNUSED;
- se401->scratch_use++;
- if (se401->scratch_use >= SE401_NUMSCRATCH)
- se401->scratch_use = 0;
- if (errors > SE401_MAX_ERRORS) {
- errors = 0;
- dev_info(&se401->dev->dev,
- "too many errors, restarting capture\n");
- se401_stop_stream(se401);
- se401_start_stream(se401);
- }
- }
- }
-
- if (se401->frame[framenr].grabstate == FRAME_DONE)
- if (se401->enhance)
- enhance_picture(se401->frame[framenr].data,
- se401->cheight * se401->cwidth * 3);
- return 0;
-}
-
-static void usb_se401_remove_disconnected(struct usb_se401 *se401)
-{
- int i;
-
- se401->dev = NULL;
-
- for (i = 0; i < SE401_NUMSBUF; i++)
- if (se401->urb[i]) {
- usb_kill_urb(se401->urb[i]);
- usb_free_urb(se401->urb[i]);
- se401->urb[i] = NULL;
- kfree(se401->sbuf[i].data);
- }
-
- for (i = 0; i < SE401_NUMSCRATCH; i++)
- kfree(se401->scratch[i].data);
-
- if (se401->inturb) {
- usb_kill_urb(se401->inturb);
- usb_free_urb(se401->inturb);
- }
- dev_info(&se401->dev->dev, "%s disconnected", se401->camera_name);
-
- /* Free the memory */
- kfree(se401->width);
- kfree(se401->height);
- kfree(se401);
-}
-
-
-
-/****************************************************************************
- *
- * Video4Linux
- *
- ***************************************************************************/
-
-
-static int se401_open(struct file *file)
-{
- struct video_device *dev = video_devdata(file);
- struct usb_se401 *se401 = (struct usb_se401 *)dev;
- int err = 0;
-
- mutex_lock(&se401->lock);
- if (se401->user) {
- mutex_unlock(&se401->lock);
- return -EBUSY;
- }
- se401->fbuf = rvmalloc(se401->maxframesize * SE401_NUMFRAMES);
- if (se401->fbuf)
- file->private_data = dev;
- else
- err = -ENOMEM;
- se401->user = !err;
- mutex_unlock(&se401->lock);
-
- return err;
-}
-
-static int se401_close(struct file *file)
-{
- struct video_device *dev = file->private_data;
- struct usb_se401 *se401 = (struct usb_se401 *)dev;
- int i;
-
- rvfree(se401->fbuf, se401->maxframesize * SE401_NUMFRAMES);
- if (se401->removed) {
- dev_info(&se401->dev->dev, "device unregistered\n");
- usb_se401_remove_disconnected(se401);
- } else {
- for (i = 0; i < SE401_NUMFRAMES; i++)
- se401->frame[i].grabstate = FRAME_UNUSED;
- if (se401->streaming)
- se401_stop_stream(se401);
- se401->user = 0;
- }
- file->private_data = NULL;
- return 0;
-}
-
-static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg)
-{
- struct video_device *vdev = file->private_data;
- struct usb_se401 *se401 = (struct usb_se401 *)vdev;
-
- if (!se401->dev)
- return -EIO;
-
- switch (cmd) {
- case VIDIOCGCAP:
- {
- struct video_capability *b = arg;
- strcpy(b->name, se401->camera_name);
- b->type = VID_TYPE_CAPTURE;
- b->channels = 1;
- b->audios = 0;
- b->maxwidth = se401->width[se401->sizes-1];
- b->maxheight = se401->height[se401->sizes-1];
- b->minwidth = se401->width[0];
- b->minheight = se401->height[0];
- return 0;
- }
- case VIDIOCGCHAN:
- {
- struct video_channel *v = arg;
-
- if (v->channel != 0)
- return -EINVAL;
- v->flags = 0;
- v->tuners = 0;
- v->type = VIDEO_TYPE_CAMERA;
- strcpy(v->name, "Camera");
- return 0;
- }
- case VIDIOCSCHAN:
- {
- struct video_channel *v = arg;
-
- if (v->channel != 0)
- return -EINVAL;
- return 0;
- }
- case VIDIOCGPICT:
- {
- struct video_picture *p = arg;
-
- se401_get_pict(se401, p);
- return 0;
- }
- case VIDIOCSPICT:
- {
- struct video_picture *p = arg;
-
- if (se401_set_pict(se401, p))
- return -EINVAL;
- return 0;
- }
- case VIDIOCSWIN:
- {
- struct video_window *vw = arg;
-
- if (vw->flags)
- return -EINVAL;
- if (vw->clipcount)
- return -EINVAL;
- if (se401_set_size(se401, vw->width, vw->height))
- return -EINVAL;
- return 0;
- }
- case VIDIOCGWIN:
- {
- struct video_window *vw = arg;
-
- vw->x = 0; /* FIXME */
- vw->y = 0;
- vw->chromakey = 0;
- vw->flags = 0;
- vw->clipcount = 0;
- vw->width = se401->cwidth;
- vw->height = se401->cheight;
- return 0;
- }
- case VIDIOCGMBUF:
- {
- struct video_mbuf *vm = arg;
- int i;
-
- memset(vm, 0, sizeof(*vm));
- vm->size = SE401_NUMFRAMES * se401->maxframesize;
- vm->frames = SE401_NUMFRAMES;
- for (i = 0; i < SE401_NUMFRAMES; i++)
- vm->offsets[i] = se401->maxframesize * i;
- return 0;
- }
- case VIDIOCMCAPTURE:
- {
- struct video_mmap *vm = arg;
-
- if (vm->format != VIDEO_PALETTE_RGB24)
- return -EINVAL;
- if (vm->frame >= SE401_NUMFRAMES)
- return -EINVAL;
- if (se401->frame[vm->frame].grabstate != FRAME_UNUSED)
- return -EBUSY;
-
- /* Is this according to the v4l spec??? */
- if (se401_set_size(se401, vm->width, vm->height))
- return -EINVAL;
- se401->frame[vm->frame].grabstate = FRAME_READY;
-
- if (!se401->streaming)
- se401_start_stream(se401);
-
- /* Set the picture properties */
- if (se401->framecount == 0)
- se401_send_pict(se401);
- /* Calibrate the reset level after a few frames. */
- if (se401->framecount % 20 == 1)
- se401_auto_resetlevel(se401);
-
- return 0;
- }
- case VIDIOCSYNC:
- {
- int *frame = arg;
- int ret = 0;
-
- if (*frame < 0 || *frame >= SE401_NUMFRAMES)
- return -EINVAL;
-
- ret = se401_newframe(se401, *frame);
- se401->frame[*frame].grabstate = FRAME_UNUSED;
- return ret;
- }
- case VIDIOCGFBUF:
- {
- struct video_buffer *vb = arg;
-
- memset(vb, 0, sizeof(*vb));
- return 0;
- }
- case VIDIOCKEY:
- return 0;
- case VIDIOCCAPTURE:
- return -EINVAL;
- case VIDIOCSFBUF:
- return -EINVAL;
- case VIDIOCGTUNER:
- case VIDIOCSTUNER:
- return -EINVAL;
- case VIDIOCGFREQ:
- case VIDIOCSFREQ:
- return -EINVAL;
- case VIDIOCGAUDIO:
- case VIDIOCSAUDIO:
- return -EINVAL;
- default:
- return -ENOIOCTLCMD;
- } /* end switch */
-
- return 0;
-}
-
-static long se401_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- return video_usercopy(file, cmd, arg, se401_do_ioctl);
-}
-
-static ssize_t se401_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- int realcount = count, ret = 0;
- struct video_device *dev = file->private_data;
- struct usb_se401 *se401 = (struct usb_se401 *)dev;
-
-
- if (se401->dev == NULL)
- return -EIO;
- if (realcount > se401->cwidth*se401->cheight*3)
- realcount = se401->cwidth*se401->cheight*3;
-
- /* Shouldn't happen: */
- if (se401->frame[0].grabstate == FRAME_GRABBING)
- return -EBUSY;
- se401->frame[0].grabstate = FRAME_READY;
- se401->frame[1].grabstate = FRAME_UNUSED;
- se401->curframe = 0;
-
- if (!se401->streaming)
- se401_start_stream(se401);
-
- /* Set the picture properties */
- if (se401->framecount == 0)
- se401_send_pict(se401);
- /* Calibrate the reset level after a few frames. */
- if (se401->framecount%20 == 1)
- se401_auto_resetlevel(se401);
-
- ret = se401_newframe(se401, 0);
-
- se401->frame[0].grabstate = FRAME_UNUSED;
- if (ret)
- return ret;
- if (copy_to_user(buf, se401->frame[0].data, realcount))
- return -EFAULT;
-
- return realcount;
-}
-
-static int se401_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct video_device *dev = file->private_data;
- struct usb_se401 *se401 = (struct usb_se401 *)dev;
- unsigned long start = vma->vm_start;
- unsigned long size = vma->vm_end-vma->vm_start;
- unsigned long page, pos;
-
- mutex_lock(&se401->lock);
-
- if (se401->dev == NULL) {
- mutex_unlock(&se401->lock);
- return -EIO;
- }
- if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1)
- & ~(PAGE_SIZE - 1))) {
- mutex_unlock(&se401->lock);
- return -EINVAL;
- }
- pos = (unsigned long)se401->fbuf;
- while (size > 0) {
- page = vmalloc_to_pfn((void *)pos);
- if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
- mutex_unlock(&se401->lock);
- return -EAGAIN;
- }
- start += PAGE_SIZE;
- pos += PAGE_SIZE;
- if (size > PAGE_SIZE)
- size -= PAGE_SIZE;
- else
- size = 0;
- }
- mutex_unlock(&se401->lock);
-
- return 0;
-}
-
-static const struct v4l2_file_operations se401_fops = {
- .owner = THIS_MODULE,
- .open = se401_open,
- .release = se401_close,
- .read = se401_read,
- .mmap = se401_mmap,
- .ioctl = se401_ioctl,
-};
-static struct video_device se401_template = {
- .name = "se401 USB camera",
- .fops = &se401_fops,
- .release = video_device_release_empty,
-};
-
-
-
-/***************************/
-static int se401_init(struct usb_se401 *se401, int button)
-{
- int i = 0, rc;
- unsigned char cp[0x40];
- char temp[200];
- int slen;
-
- /* led on */
- se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0);
-
- /* get camera descriptor */
- rc = se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0,
- cp, sizeof(cp));
- if (cp[1] != 0x41) {
- err("Wrong descriptor type");
- return 1;
- }
- slen = snprintf(temp, 200, "ExtraFeatures: %d", cp[3]);
-
- se401->sizes = cp[4] + cp[5] * 256;
- se401->width = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
- if (!se401->width)
- return 1;
- se401->height = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
- if (!se401->height) {
- kfree(se401->width);
- return 1;
- }
- for (i = 0; i < se401->sizes; i++) {
- se401->width[i] = cp[6 + i * 4 + 0] + cp[6 + i*4 + 1] * 256;
- se401->height[i] = cp[6 + i * 4 + 2] + cp[6 + i * 4 + 3] * 256;
- }
- slen += snprintf(temp + slen, 200 - slen, " Sizes:");
- for (i = 0; i < se401->sizes; i++) {
- slen += snprintf(temp + slen, 200 - slen,
- " %dx%d", se401->width[i], se401->height[i]);
- }
- dev_info(&se401->dev->dev, "%s\n", temp);
- se401->maxframesize = se401->width[se401->sizes-1] *
- se401->height[se401->sizes - 1] * 3;
-
- rc = se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp));
- se401->cwidth = cp[0]+cp[1]*256;
- rc = se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp));
- se401->cheight = cp[0]+cp[1]*256;
-
- if (!(cp[2] & SE401_FORMAT_BAYER)) {
- err("Bayer format not supported!");
- return 1;
- }
- /* set output mode (BAYER) */
- se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE,
- SE401_FORMAT_BAYER, NULL, 0);
-
- rc = se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp));
- se401->brightness = cp[0]+cp[1]*256;
- /* some default values */
- se401->resetlevel = 0x2d;
- se401->rgain = 0x20;
- se401->ggain = 0x20;
- se401->bgain = 0x20;
- se401_set_exposure(se401, 20000);
- se401->palette = VIDEO_PALETTE_RGB24;
- se401->enhance = 1;
- se401->dropped = 0;
- se401->error = 0;
- se401->framecount = 0;
- se401->readcount = 0;
-
- /* Start interrupt transfers for snapshot button */
- if (button) {
- se401->inturb = usb_alloc_urb(0, GFP_KERNEL);
- if (!se401->inturb) {
- dev_info(&se401->dev->dev,
- "Allocation of inturb failed\n");
- return 1;
- }
- usb_fill_int_urb(se401->inturb, se401->dev,
- usb_rcvintpipe(se401->dev, SE401_BUTTON_ENDPOINT),
- &se401->button, sizeof(se401->button),
- se401_button_irq,
- se401,
- 8
- );
- if (usb_submit_urb(se401->inturb, GFP_KERNEL)) {
- dev_info(&se401->dev->dev, "int urb burned down\n");
- return 1;
- }
- } else
- se401->inturb = NULL;
-
- /* Flash the led */
- se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0);
- se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0);
-
- return 0;
-}
-
-static int se401_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct usb_device *dev = interface_to_usbdev(intf);
- struct usb_interface_descriptor *interface;
- struct usb_se401 *se401;
- char *camera_name = NULL;
- int button = 1;
-
- /* We don't handle multi-config cameras */
- if (dev->descriptor.bNumConfigurations != 1)
- return -ENODEV;
-
- interface = &intf->cur_altsetting->desc;
-
- /* Is it an se401? */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x0004) {
- camera_name = "Endpoints/Aox SE401";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x030b) {
- camera_name = "Philips PCVC665K";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5001) {
- camera_name = "Kensington VideoCAM 67014";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5002) {
- camera_name = "Kensington VideoCAM 6701(5/7)";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5003) {
- camera_name = "Kensington VideoCAM 67016";
- button = 0;
- } else
- return -ENODEV;
-
- /* Checking vendor/product should be enough, but what the hell */
- if (interface->bInterfaceClass != 0x00)
- return -ENODEV;
- if (interface->bInterfaceSubClass != 0x00)
- return -ENODEV;
-
- /* We found one */
- dev_info(&intf->dev, "SE401 camera found: %s\n", camera_name);
-
- se401 = kzalloc(sizeof(*se401), GFP_KERNEL);
- if (se401 == NULL) {
- err("couldn't kmalloc se401 struct");
- return -ENOMEM;
- }
-
- se401->dev = dev;
- se401->iface = interface->bInterfaceNumber;
- se401->camera_name = camera_name;
-
- dev_info(&intf->dev, "firmware version: %02x\n",
- le16_to_cpu(dev->descriptor.bcdDevice) & 255);
-
- if (se401_init(se401, button)) {
- kfree(se401);
- return -EIO;
- }
-
- memcpy(&se401->vdev, &se401_template, sizeof(se401_template));
- memcpy(se401->vdev.name, se401->camera_name,
- strlen(se401->camera_name));
- init_waitqueue_head(&se401->wq);
- mutex_init(&se401->lock);
- wmb();
-
- if (video_register_device(&se401->vdev,
- VFL_TYPE_GRABBER, video_nr) < 0) {
- kfree(se401);
- err("video_register_device failed");
- return -EIO;
- }
- dev_info(&intf->dev, "registered new video device: %s\n",
- video_device_node_name(&se401->vdev));
-
- usb_set_intfdata(intf, se401);
- return 0;
-}
-
-static void se401_disconnect(struct usb_interface *intf)
-{
- struct usb_se401 *se401 = usb_get_intfdata(intf);
-
- usb_set_intfdata(intf, NULL);
- if (se401) {
- video_unregister_device(&se401->vdev);
- if (!se401->user)
- usb_se401_remove_disconnected(se401);
- else {
- se401->frame[0].grabstate = FRAME_ERROR;
- se401->frame[0].grabstate = FRAME_ERROR;
-
- se401->streaming = 0;
-
- wake_up_interruptible(&se401->wq);
- se401->removed = 1;
- }
- }
-}
-
-static struct usb_driver se401_driver = {
- .name = "se401",
- .id_table = device_table,
- .probe = se401_probe,
- .disconnect = se401_disconnect,
-};
-
-
-
-/****************************************************************************
- *
- * Module routines
- *
- ***************************************************************************/
-
-static int __init usb_se401_init(void)
-{
- printk(KERN_INFO "SE401 usb camera driver version %s registering\n",
- version);
- if (flickerless)
- if (flickerless != 50 && flickerless != 60) {
- printk(KERN_ERR "Invallid flickerless value, use 0, 50 or 60.\n");
- return -1;
- }
- return usb_register(&se401_driver);
-}
-
-static void __exit usb_se401_exit(void)
-{
- usb_deregister(&se401_driver);
- printk(KERN_INFO "SE401 driver deregistered\frame");
-}
-
-module_init(usb_se401_init);
-module_exit(usb_se401_exit);
+++ /dev/null
-/*
- * Video for Linux version 1 - OBSOLETE
- *
- * Header file for v4l1 drivers and applications, for
- * Linux kernels 2.2.x or 2.4.x.
- *
- * Provides header for legacy drivers and applications
- *
- * See http://linuxtv.org for more info
- *
- */
-#ifndef __LINUX_VIDEODEV_H
-#define __LINUX_VIDEODEV_H
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <linux/videodev2.h>
-
-#define VID_TYPE_CAPTURE 1 /* Can capture */
-#define VID_TYPE_TUNER 2 /* Can tune */
-#define VID_TYPE_TELETEXT 4 /* Does teletext */
-#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
-#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
-#define VID_TYPE_CLIPPING 32 /* Can clip */
-#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
-#define VID_TYPE_SCALES 128 /* Scalable */
-#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
-#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
-#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
-#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
-#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
-#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
-
-struct video_capability
-{
- char name[32];
- int type;
- int channels; /* Num channels */
- int audios; /* Num audio devices */
- int maxwidth; /* Supported width */
- int maxheight; /* And height */
- int minwidth; /* Supported width */
- int minheight; /* And height */
-};
-
-
-struct video_channel
-{
- int channel;
- char name[32];
- int tuners;
- __u32 flags;
-#define VIDEO_VC_TUNER 1 /* Channel has a tuner */
-#define VIDEO_VC_AUDIO 2 /* Channel has audio */
- __u16 type;
-#define VIDEO_TYPE_TV 1
-#define VIDEO_TYPE_CAMERA 2
- __u16 norm; /* Norm set by channel */
-};
-
-struct video_tuner
-{
- int tuner;
- char name[32];
- unsigned long rangelow, rangehigh; /* Tuner range */
- __u32 flags;
-#define VIDEO_TUNER_PAL 1
-#define VIDEO_TUNER_NTSC 2
-#define VIDEO_TUNER_SECAM 4
-#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */
-#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */
-#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */
-#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */
-#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */
- __u16 mode; /* PAL/NTSC/SECAM/OTHER */
-#define VIDEO_MODE_PAL 0
-#define VIDEO_MODE_NTSC 1
-#define VIDEO_MODE_SECAM 2
-#define VIDEO_MODE_AUTO 3
- __u16 signal; /* Signal strength 16bit scale */
-};
-
-struct video_picture
-{
- __u16 brightness;
- __u16 hue;
- __u16 colour;
- __u16 contrast;
- __u16 whiteness; /* Black and white only */
- __u16 depth; /* Capture depth */
- __u16 palette; /* Palette in use */
-#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */
-#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */
-#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */
-#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */
-#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */
-#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */
-#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */
-#define VIDEO_PALETTE_YUYV 8
-#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */
-#define VIDEO_PALETTE_YUV420 10
-#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */
-#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */
-#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */
-#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */
-#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */
-#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */
-#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */
-#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */
-};
-
-struct video_audio
-{
- int audio; /* Audio channel */
- __u16 volume; /* If settable */
- __u16 bass, treble;
- __u32 flags;
-#define VIDEO_AUDIO_MUTE 1
-#define VIDEO_AUDIO_MUTABLE 2
-#define VIDEO_AUDIO_VOLUME 4
-#define VIDEO_AUDIO_BASS 8
-#define VIDEO_AUDIO_TREBLE 16
-#define VIDEO_AUDIO_BALANCE 32
- char name[16];
-#define VIDEO_SOUND_MONO 1
-#define VIDEO_SOUND_STEREO 2
-#define VIDEO_SOUND_LANG1 4
-#define VIDEO_SOUND_LANG2 8
- __u16 mode;
- __u16 balance; /* Stereo balance */
- __u16 step; /* Step actual volume uses */
-};
-
-struct video_clip
-{
- __s32 x,y;
- __s32 width, height;
- struct video_clip *next; /* For user use/driver use only */
-};
-
-struct video_window
-{
- __u32 x,y; /* Position of window */
- __u32 width,height; /* Its size */
- __u32 chromakey;
- __u32 flags;
- struct video_clip __user *clips; /* Set only */
- int clipcount;
-#define VIDEO_WINDOW_INTERLACE 1
-#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */
-#define VIDEO_CLIP_BITMAP -1
-/* bitmap is 1024x625, a '1' bit represents a clipped pixel */
-#define VIDEO_CLIPMAP_SIZE (128 * 625)
-};
-
-struct video_capture
-{
- __u32 x,y; /* Offsets into image */
- __u32 width, height; /* Area to capture */
- __u16 decimation; /* Decimation divider */
- __u16 flags; /* Flags for capture */
-#define VIDEO_CAPTURE_ODD 0 /* Temporal */
-#define VIDEO_CAPTURE_EVEN 1
-};
-
-struct video_buffer
-{
- void *base;
- int height,width;
- int depth;
- int bytesperline;
-};
-
-struct video_mmap
-{
- unsigned int frame; /* Frame (0 - n) for double buffer */
- int height,width;
- unsigned int format; /* should be VIDEO_PALETTE_* */
-};
-
-struct video_key
-{
- __u8 key[8];
- __u32 flags;
-};
-
-struct video_mbuf
-{
- int size; /* Total memory to map */
- int frames; /* Frames */
- int offsets[VIDEO_MAX_FRAME];
-};
-
-#define VIDEO_NO_UNIT (-1)
-
-struct video_unit
-{
- int video; /* Video minor */
- int vbi; /* VBI minor */
- int radio; /* Radio minor */
- int audio; /* Audio minor */
- int teletext; /* Teletext minor */
-};
-
-struct vbi_format {
- __u32 sampling_rate; /* in Hz */
- __u32 samples_per_line;
- __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */
- __s32 start[2]; /* starting line for each frame */
- __u32 count[2]; /* count of lines for each frame */
- __u32 flags;
-#define VBI_UNSYNC 1 /* can distingues between top/bottom field */
-#define VBI_INTERLACED 2 /* lines are interlaced */
-};
-
-/* video_info is biased towards hardware mpeg encode/decode */
-/* but it could apply generically to any hardware compressor/decompressor */
-struct video_info
-{
- __u32 frame_count; /* frames output since decode/encode began */
- __u32 h_size; /* current unscaled horizontal size */
- __u32 v_size; /* current unscaled veritcal size */
- __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */
- __u32 picture_type; /* current picture type */
- __u32 temporal_reference; /* current temporal reference */
- __u8 user_data[256]; /* user data last found in compressed stream */
- /* user_data[0] contains user data flags, user_data[1] has count */
-};
-
-/* generic structure for setting playback modes */
-struct video_play_mode
-{
- int mode;
- int p1;
- int p2;
-};
-
-/* for loading microcode / fpga programming */
-struct video_code
-{
- char loadwhat[16]; /* name or tag of file being passed */
- int datasize;
- __u8 *data;
-};
-
-#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */
-#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */
-#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */
-#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */
-#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */
-#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */
-#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */
-#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */
-#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */
-#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
-#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */
-#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */
-#define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */
-#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */
-#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */
-#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */
-#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */
-#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */
-#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */
-#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */
-#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */
-#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */
-#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */
-#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */
-#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */
-#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */
-#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */
-#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */
-#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */
-
-
-#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
-
-/* VIDIOCSWRITEMODE */
-#define VID_WRITE_MPEG_AUD 0
-#define VID_WRITE_MPEG_VID 1
-#define VID_WRITE_OSD 2
-#define VID_WRITE_TTX 3
-#define VID_WRITE_CC 4
-#define VID_WRITE_MJPEG 5
-
-/* VIDIOCSPLAYMODE */
-#define VID_PLAY_VID_OUT_MODE 0
- /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */
-#define VID_PLAY_GENLOCK 1
- /* p1: 0 = OFF, 1 = ON */
- /* p2: GENLOCK FINE DELAY value */
-#define VID_PLAY_NORMAL 2
-#define VID_PLAY_PAUSE 3
-#define VID_PLAY_SINGLE_FRAME 4
-#define VID_PLAY_FAST_FORWARD 5
-#define VID_PLAY_SLOW_MOTION 6
-#define VID_PLAY_IMMEDIATE_NORMAL 7
-#define VID_PLAY_SWITCH_CHANNELS 8
-#define VID_PLAY_FREEZE_FRAME 9
-#define VID_PLAY_STILL_MODE 10
-#define VID_PLAY_MASTER_MODE 11
- /* p1: see below */
-#define VID_PLAY_MASTER_NONE 1
-#define VID_PLAY_MASTER_VIDEO 2
-#define VID_PLAY_MASTER_AUDIO 3
-#define VID_PLAY_ACTIVE_SCANLINES 12
- /* p1 = first active; p2 = last active */
-#define VID_PLAY_RESET 13
-#define VID_PLAY_END_MARK 14
-
-#endif /* __LINUX_VIDEODEV_H */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
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