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marcus.erl |
/*
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* Motion Eye video4linux driver for Sony Vaio PictureBook
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*
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* Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
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*
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* Copyright (C) 2001-2002 Alcôve <www.alcove.com>
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*
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* Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
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*
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* Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
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*
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* Some parts borrowed from various video4linux drivers, especially
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* bttv-driver.c and zoran.c, see original files for credits.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/videodev.h>
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#include <media/v4l2-common.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/vmalloc.h>
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#include <linux/dma-mapping.h>
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#include "meye.h"
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#include <linux/meye.h>
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MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
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MODULE_DESCRIPTION("v4l/v4l2 driver for the MotionEye camera");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(MEYE_DRIVER_VERSION);
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/* force usage of V4L1 API */
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static int forcev4l1; /* = 0 */
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module_param(forcev4l1, int, 0644);
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MODULE_PARM_DESC(forcev4l1, "force use of V4L1 instead of V4L2");
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/* number of grab buffers */
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static unsigned int gbuffers = 2;
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module_param(gbuffers, int, 0444);
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MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)");
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/* size of a grab buffer */
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static unsigned int gbufsize = MEYE_MAX_BUFSIZE;
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module_param(gbufsize, int, 0444);
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MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400"
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" (will be rounded up to a page multiple)");
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/* /dev/videoX registration number */
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static int video_nr = -1;
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module_param(video_nr, int, 0444);
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MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)");
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/* driver structure - only one possible */
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static struct meye meye;
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/****************************************************************************/
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/* Memory allocation routines (stolen from bttv-driver.c) */
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/****************************************************************************/
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static void *rvmalloc(unsigned long size)
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{
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void *mem;
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unsigned long adr;
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size = PAGE_ALIGN(size);
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mem = vmalloc_32(size);
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if (mem) {
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memset(mem, 0, size);
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adr = (unsigned long) mem;
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while (size > 0) {
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SetPageReserved(vmalloc_to_page((void *)adr));
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adr += PAGE_SIZE;
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size -= PAGE_SIZE;
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}
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}
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return mem;
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}
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static void rvfree(void * mem, unsigned long size)
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{
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unsigned long adr;
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if (mem) {
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adr = (unsigned long) mem;
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while ((long) size > 0) {
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ClearPageReserved(vmalloc_to_page((void *)adr));
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adr += PAGE_SIZE;
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size -= PAGE_SIZE;
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}
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vfree(mem);
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}
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}
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/*
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* return a page table pointing to N pages of locked memory
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*
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* NOTE: The meye device expects DMA addresses on 32 bits, we build
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* a table of 1024 entries = 4 bytes * 1024 = 4096 bytes.
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*/
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static int ptable_alloc(void)
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{
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u32 *pt;
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int i;
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memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
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/* give only 32 bit DMA addresses */
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if (dma_set_mask(&meye.mchip_dev->dev, DMA_32BIT_MASK))
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return -1;
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meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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&meye.mchip_dmahandle,
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GFP_KERNEL);
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if (!meye.mchip_ptable_toc) {
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meye.mchip_dmahandle = 0;
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return -1;
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}
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pt = meye.mchip_ptable_toc;
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for (i = 0; i < MCHIP_NB_PAGES; i++) {
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dma_addr_t dma;
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meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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&dma,
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GFP_KERNEL);
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if (!meye.mchip_ptable[i]) {
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int j;
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pt = meye.mchip_ptable_toc;
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for (j = 0; j < i; ++j) {
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dma = (dma_addr_t) *pt;
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dma_free_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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meye.mchip_ptable[j], dma);
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pt++;
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}
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dma_free_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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meye.mchip_ptable_toc,
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meye.mchip_dmahandle);
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meye.mchip_ptable_toc = NULL;
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meye.mchip_dmahandle = 0;
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return -1;
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}
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*pt = (u32) dma;
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pt++;
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}
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return 0;
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}
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static void ptable_free(void)
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{
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u32 *pt;
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int i;
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pt = meye.mchip_ptable_toc;
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for (i = 0; i < MCHIP_NB_PAGES; i++) {
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dma_addr_t dma = (dma_addr_t) *pt;
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if (meye.mchip_ptable[i])
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dma_free_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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meye.mchip_ptable[i], dma);
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pt++;
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}
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if (meye.mchip_ptable_toc)
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dma_free_coherent(&meye.mchip_dev->dev,
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PAGE_SIZE,
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meye.mchip_ptable_toc,
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meye.mchip_dmahandle);
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memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
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meye.mchip_ptable_toc = NULL;
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meye.mchip_dmahandle = 0;
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}
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/* copy data from ptable into buf */
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static void ptable_copy(u8 *buf, int start, int size, int pt_pages)
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{
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int i;
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for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) {
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memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE);
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if (start >= pt_pages)
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start = 0;
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}
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memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE);
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}
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/****************************************************************************/
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/* JPEG tables at different qualities to load into the VRJ chip */
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/****************************************************************************/
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209 |
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/* return a set of quantisation tables based on a quality from 1 to 10 */
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static u16 *jpeg_quantisation_tables(int *length, int quality)
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{
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static u16 jpeg_tables[][70] = { {
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0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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216 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff,
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0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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220 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff,
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},
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{
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0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46,
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227 |
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0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8,
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228 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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229 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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230 |
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0xffff, 0xffff, 0xffff,
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231 |
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0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb,
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232 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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233 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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234 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff,
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},
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{
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238 |
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0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23,
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239 |
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0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164,
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240 |
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0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad,
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241 |
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0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff,
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242 |
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0xe6ff, 0xfffd, 0xfff8,
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243 |
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0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876,
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244 |
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0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
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245 |
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0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
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246 |
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0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
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247 |
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0xf8f8, 0xf8f8, 0xfff8,
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248 |
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},
|
249 |
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{
|
250 |
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0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17,
|
251 |
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0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042,
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252 |
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0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73,
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253 |
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0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba,
|
254 |
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0x99c7, 0xaba8, 0xffa4,
|
255 |
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0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e,
|
256 |
|
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0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
257 |
|
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0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
258 |
|
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0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
259 |
|
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0xa4a4, 0xa4a4, 0xffa4,
|
260 |
|
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},
|
261 |
|
|
{
|
262 |
|
|
0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712,
|
263 |
|
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0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932,
|
264 |
|
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0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556,
|
265 |
|
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0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c,
|
266 |
|
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0x7396, 0x817e, 0xff7c,
|
267 |
|
|
0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b,
|
268 |
|
|
0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
|
269 |
|
|
0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
|
270 |
|
|
0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
|
271 |
|
|
0x7c7c, 0x7c7c, 0xff7c,
|
272 |
|
|
},
|
273 |
|
|
{
|
274 |
|
|
0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e,
|
275 |
|
|
0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28,
|
276 |
|
|
0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745,
|
277 |
|
|
0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470,
|
278 |
|
|
0x5c78, 0x6765, 0xff63,
|
279 |
|
|
0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f,
|
280 |
|
|
0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
|
281 |
|
|
0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
|
282 |
|
|
0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
|
283 |
|
|
0x6363, 0x6363, 0xff63,
|
284 |
|
|
},
|
285 |
|
|
{
|
286 |
|
|
0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b,
|
287 |
|
|
0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20,
|
288 |
|
|
0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37,
|
289 |
|
|
0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a,
|
290 |
|
|
0x4a60, 0x5251, 0xff4f,
|
291 |
|
|
0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26,
|
292 |
|
|
0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
|
293 |
|
|
0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
|
294 |
|
|
0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
|
295 |
|
|
0x4f4f, 0x4f4f, 0xff4f,
|
296 |
|
|
},
|
297 |
|
|
{
|
298 |
|
|
0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08,
|
299 |
|
|
0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318,
|
300 |
|
|
0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129,
|
301 |
|
|
0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43,
|
302 |
|
|
0x3748, 0x3e3d, 0xff3b,
|
303 |
|
|
0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c,
|
304 |
|
|
0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
|
305 |
|
|
0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
|
306 |
|
|
0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
|
307 |
|
|
0x3b3b, 0x3b3b, 0xff3b,
|
308 |
|
|
},
|
309 |
|
|
{
|
310 |
|
|
0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706,
|
311 |
|
|
0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710,
|
312 |
|
|
0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c,
|
313 |
|
|
0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d,
|
314 |
|
|
0x2530, 0x2928, 0xff28,
|
315 |
|
|
0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813,
|
316 |
|
|
0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
|
317 |
|
|
0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
|
318 |
|
|
0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
|
319 |
|
|
0x2828, 0x2828, 0xff28,
|
320 |
|
|
},
|
321 |
|
|
{
|
322 |
|
|
0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403,
|
323 |
|
|
0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08,
|
324 |
|
|
0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e,
|
325 |
|
|
0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416,
|
326 |
|
|
0x1218, 0x1514, 0xff14,
|
327 |
|
|
0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409,
|
328 |
|
|
0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
|
329 |
|
|
0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
|
330 |
|
|
0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
|
331 |
|
|
0x1414, 0x1414, 0xff14,
|
332 |
|
|
},
|
333 |
|
|
{
|
334 |
|
|
0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
335 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
336 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
337 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
338 |
|
|
0x0101, 0x0101, 0xff01,
|
339 |
|
|
0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
340 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
341 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
342 |
|
|
0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
|
343 |
|
|
0x0101, 0x0101, 0xff01,
|
344 |
|
|
} };
|
345 |
|
|
|
346 |
|
|
if (quality < 0 || quality > 10) {
|
347 |
|
|
printk(KERN_WARNING
|
348 |
|
|
"meye: invalid quality level %d - using 8\n", quality);
|
349 |
|
|
quality = 8;
|
350 |
|
|
}
|
351 |
|
|
|
352 |
|
|
*length = ARRAY_SIZE(jpeg_tables[quality]);
|
353 |
|
|
return jpeg_tables[quality];
|
354 |
|
|
}
|
355 |
|
|
|
356 |
|
|
/* return a generic set of huffman tables */
|
357 |
|
|
static u16 *jpeg_huffman_tables(int *length)
|
358 |
|
|
{
|
359 |
|
|
static u16 tables[] = {
|
360 |
|
|
0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405,
|
361 |
|
|
0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131,
|
362 |
|
|
0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142,
|
363 |
|
|
0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918,
|
364 |
|
|
0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443,
|
365 |
|
|
0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463,
|
366 |
|
|
0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483,
|
367 |
|
|
0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A,
|
368 |
|
|
0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8,
|
369 |
|
|
0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6,
|
370 |
|
|
0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2,
|
371 |
|
|
0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
|
372 |
|
|
0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405,
|
373 |
|
|
0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206,
|
374 |
|
|
0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1,
|
375 |
|
|
0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125,
|
376 |
|
|
0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A,
|
377 |
|
|
0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A,
|
378 |
|
|
0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A,
|
379 |
|
|
0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998,
|
380 |
|
|
0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6,
|
381 |
|
|
0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4,
|
382 |
|
|
0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2,
|
383 |
|
|
0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
|
384 |
|
|
0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000,
|
385 |
|
|
0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
|
386 |
|
|
0xFF0B,
|
387 |
|
|
0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101,
|
388 |
|
|
0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
|
389 |
|
|
0xFF0B
|
390 |
|
|
};
|
391 |
|
|
|
392 |
|
|
*length = ARRAY_SIZE(tables);
|
393 |
|
|
return tables;
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
/****************************************************************************/
|
397 |
|
|
/* MCHIP low-level functions */
|
398 |
|
|
/****************************************************************************/
|
399 |
|
|
|
400 |
|
|
/* returns the horizontal capture size */
|
401 |
|
|
static inline int mchip_hsize(void)
|
402 |
|
|
{
|
403 |
|
|
return meye.params.subsample ? 320 : 640;
|
404 |
|
|
}
|
405 |
|
|
|
406 |
|
|
/* returns the vertical capture size */
|
407 |
|
|
static inline int mchip_vsize(void)
|
408 |
|
|
{
|
409 |
|
|
return meye.params.subsample ? 240 : 480;
|
410 |
|
|
}
|
411 |
|
|
|
412 |
|
|
/* waits for a register to be available */
|
413 |
|
|
static void mchip_sync(int reg)
|
414 |
|
|
{
|
415 |
|
|
u32 status;
|
416 |
|
|
int i;
|
417 |
|
|
|
418 |
|
|
if (reg == MCHIP_MM_FIFO_DATA) {
|
419 |
|
|
for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
|
420 |
|
|
status = readl(meye.mchip_mmregs +
|
421 |
|
|
MCHIP_MM_FIFO_STATUS);
|
422 |
|
|
if (!(status & MCHIP_MM_FIFO_WAIT)) {
|
423 |
|
|
printk(KERN_WARNING "meye: fifo not ready\n");
|
424 |
|
|
return;
|
425 |
|
|
}
|
426 |
|
|
if (status & MCHIP_MM_FIFO_READY)
|
427 |
|
|
return;
|
428 |
|
|
udelay(1);
|
429 |
|
|
}
|
430 |
|
|
} else if (reg > 0x80) {
|
431 |
|
|
u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY
|
432 |
|
|
: MCHIP_HIC_STATUS_VRJ_RDY;
|
433 |
|
|
for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
|
434 |
|
|
status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS);
|
435 |
|
|
if (status & mask)
|
436 |
|
|
return;
|
437 |
|
|
udelay(1);
|
438 |
|
|
}
|
439 |
|
|
} else
|
440 |
|
|
return;
|
441 |
|
|
printk(KERN_WARNING
|
442 |
|
|
"meye: mchip_sync() timeout on reg 0x%x status=0x%x\n",
|
443 |
|
|
reg, status);
|
444 |
|
|
}
|
445 |
|
|
|
446 |
|
|
/* sets a value into the register */
|
447 |
|
|
static inline void mchip_set(int reg, u32 v)
|
448 |
|
|
{
|
449 |
|
|
mchip_sync(reg);
|
450 |
|
|
writel(v, meye.mchip_mmregs + reg);
|
451 |
|
|
}
|
452 |
|
|
|
453 |
|
|
/* get the register value */
|
454 |
|
|
static inline u32 mchip_read(int reg)
|
455 |
|
|
{
|
456 |
|
|
mchip_sync(reg);
|
457 |
|
|
return readl(meye.mchip_mmregs + reg);
|
458 |
|
|
}
|
459 |
|
|
|
460 |
|
|
/* wait for a register to become a particular value */
|
461 |
|
|
static inline int mchip_delay(u32 reg, u32 v)
|
462 |
|
|
{
|
463 |
|
|
int n = 10;
|
464 |
|
|
while (--n && mchip_read(reg) != v)
|
465 |
|
|
udelay(1);
|
466 |
|
|
return n;
|
467 |
|
|
}
|
468 |
|
|
|
469 |
|
|
/* setup subsampling */
|
470 |
|
|
static void mchip_subsample(void)
|
471 |
|
|
{
|
472 |
|
|
mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample);
|
473 |
|
|
mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize());
|
474 |
|
|
mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize());
|
475 |
|
|
mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize());
|
476 |
|
|
mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize());
|
477 |
|
|
mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
|
478 |
|
|
}
|
479 |
|
|
|
480 |
|
|
/* set the framerate into the mchip */
|
481 |
|
|
static void mchip_set_framerate(void)
|
482 |
|
|
{
|
483 |
|
|
mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate);
|
484 |
|
|
}
|
485 |
|
|
|
486 |
|
|
/* load some huffman and quantisation tables into the VRJ chip ready
|
487 |
|
|
for JPEG compression */
|
488 |
|
|
static void mchip_load_tables(void)
|
489 |
|
|
{
|
490 |
|
|
int i;
|
491 |
|
|
int length;
|
492 |
|
|
u16 *tables;
|
493 |
|
|
|
494 |
|
|
tables = jpeg_huffman_tables(&length);
|
495 |
|
|
for (i = 0; i < length; i++)
|
496 |
|
|
writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
|
497 |
|
|
|
498 |
|
|
tables = jpeg_quantisation_tables(&length, meye.params.quality);
|
499 |
|
|
for (i = 0; i < length; i++)
|
500 |
|
|
writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
|
501 |
|
|
}
|
502 |
|
|
|
503 |
|
|
/* setup the VRJ parameters in the chip */
|
504 |
|
|
static void mchip_vrj_setup(u8 mode)
|
505 |
|
|
{
|
506 |
|
|
mchip_set(MCHIP_VRJ_BUS_MODE, 5);
|
507 |
|
|
mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f);
|
508 |
|
|
mchip_set(MCHIP_VRJ_PDAT_USE, 1);
|
509 |
|
|
mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0);
|
510 |
|
|
mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode);
|
511 |
|
|
mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize());
|
512 |
|
|
mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize());
|
513 |
|
|
mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b);
|
514 |
|
|
mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF);
|
515 |
|
|
mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF);
|
516 |
|
|
mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC);
|
517 |
|
|
mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0);
|
518 |
|
|
mchip_set(MCHIP_VRJ_SOF1, 0x601);
|
519 |
|
|
mchip_set(MCHIP_VRJ_SOF2, 0x1502);
|
520 |
|
|
mchip_set(MCHIP_VRJ_SOF3, 0x1503);
|
521 |
|
|
mchip_set(MCHIP_VRJ_SOF4, 0x1596);
|
522 |
|
|
mchip_set(MCHIP_VRJ_SOS, 0x0ed0);
|
523 |
|
|
|
524 |
|
|
mchip_load_tables();
|
525 |
|
|
}
|
526 |
|
|
|
527 |
|
|
/* sets the DMA parameters into the chip */
|
528 |
|
|
static void mchip_dma_setup(dma_addr_t dma_addr)
|
529 |
|
|
{
|
530 |
|
|
int i;
|
531 |
|
|
|
532 |
|
|
mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr);
|
533 |
|
|
for (i = 0; i < 4; i++)
|
534 |
|
|
mchip_set(MCHIP_MM_FIR(i), 0);
|
535 |
|
|
meye.mchip_fnum = 0;
|
536 |
|
|
}
|
537 |
|
|
|
538 |
|
|
/* setup for DMA transfers - also zeros the framebuffer */
|
539 |
|
|
static int mchip_dma_alloc(void)
|
540 |
|
|
{
|
541 |
|
|
if (!meye.mchip_dmahandle)
|
542 |
|
|
if (ptable_alloc())
|
543 |
|
|
return -1;
|
544 |
|
|
return 0;
|
545 |
|
|
}
|
546 |
|
|
|
547 |
|
|
/* frees the DMA buffer */
|
548 |
|
|
static void mchip_dma_free(void)
|
549 |
|
|
{
|
550 |
|
|
if (meye.mchip_dmahandle) {
|
551 |
|
|
mchip_dma_setup(0);
|
552 |
|
|
ptable_free();
|
553 |
|
|
}
|
554 |
|
|
}
|
555 |
|
|
|
556 |
|
|
/* stop any existing HIC action and wait for any dma to complete then
|
557 |
|
|
reset the dma engine */
|
558 |
|
|
static void mchip_hic_stop(void)
|
559 |
|
|
{
|
560 |
|
|
int i, j;
|
561 |
|
|
|
562 |
|
|
meye.mchip_mode = MCHIP_HIC_MODE_NOOP;
|
563 |
|
|
if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY))
|
564 |
|
|
return;
|
565 |
|
|
for (i = 0; i < 20; ++i) {
|
566 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP);
|
567 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
568 |
|
|
for (j = 0; j < 100; ++j) {
|
569 |
|
|
if (mchip_delay(MCHIP_HIC_STATUS,
|
570 |
|
|
MCHIP_HIC_STATUS_IDLE))
|
571 |
|
|
return;
|
572 |
|
|
msleep(1);
|
573 |
|
|
}
|
574 |
|
|
printk(KERN_ERR "meye: need to reset HIC!\n");
|
575 |
|
|
|
576 |
|
|
mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET);
|
577 |
|
|
msleep(250);
|
578 |
|
|
}
|
579 |
|
|
printk(KERN_ERR "meye: resetting HIC hanged!\n");
|
580 |
|
|
}
|
581 |
|
|
|
582 |
|
|
/****************************************************************************/
|
583 |
|
|
/* MCHIP frame processing functions */
|
584 |
|
|
/****************************************************************************/
|
585 |
|
|
|
586 |
|
|
/* get the next ready frame from the dma engine */
|
587 |
|
|
static u32 mchip_get_frame(void)
|
588 |
|
|
{
|
589 |
|
|
u32 v;
|
590 |
|
|
|
591 |
|
|
v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum));
|
592 |
|
|
return v;
|
593 |
|
|
}
|
594 |
|
|
|
595 |
|
|
/* frees the current frame from the dma engine */
|
596 |
|
|
static void mchip_free_frame(void)
|
597 |
|
|
{
|
598 |
|
|
mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0);
|
599 |
|
|
meye.mchip_fnum++;
|
600 |
|
|
meye.mchip_fnum %= 4;
|
601 |
|
|
}
|
602 |
|
|
|
603 |
|
|
/* read one frame from the framebuffer assuming it was captured using
|
604 |
|
|
a uncompressed transfer */
|
605 |
|
|
static void mchip_cont_read_frame(u32 v, u8 *buf, int size)
|
606 |
|
|
{
|
607 |
|
|
int pt_id;
|
608 |
|
|
|
609 |
|
|
pt_id = (v >> 17) & 0x3FF;
|
610 |
|
|
|
611 |
|
|
ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES);
|
612 |
|
|
}
|
613 |
|
|
|
614 |
|
|
/* read a compressed frame from the framebuffer */
|
615 |
|
|
static int mchip_comp_read_frame(u32 v, u8 *buf, int size)
|
616 |
|
|
{
|
617 |
|
|
int pt_start, pt_end, trailer;
|
618 |
|
|
int fsize;
|
619 |
|
|
int i;
|
620 |
|
|
|
621 |
|
|
pt_start = (v >> 19) & 0xFF;
|
622 |
|
|
pt_end = (v >> 11) & 0xFF;
|
623 |
|
|
trailer = (v >> 1) & 0x3FF;
|
624 |
|
|
|
625 |
|
|
if (pt_end < pt_start)
|
626 |
|
|
fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE +
|
627 |
|
|
pt_end * PAGE_SIZE + trailer * 4;
|
628 |
|
|
else
|
629 |
|
|
fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4;
|
630 |
|
|
|
631 |
|
|
if (fsize > size) {
|
632 |
|
|
printk(KERN_WARNING "meye: oversized compressed frame %d\n",
|
633 |
|
|
fsize);
|
634 |
|
|
return -1;
|
635 |
|
|
}
|
636 |
|
|
|
637 |
|
|
ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG);
|
638 |
|
|
|
639 |
|
|
#ifdef MEYE_JPEG_CORRECTION
|
640 |
|
|
|
641 |
|
|
/* Some mchip generated jpeg frames are incorrect. In most
|
642 |
|
|
* (all ?) of those cases, the final EOI (0xff 0xd9) marker
|
643 |
|
|
* is not present at the end of the frame.
|
644 |
|
|
*
|
645 |
|
|
* Since adding the final marker is not enough to restore
|
646 |
|
|
* the jpeg integrity, we drop the frame.
|
647 |
|
|
*/
|
648 |
|
|
|
649 |
|
|
for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ;
|
650 |
|
|
|
651 |
|
|
if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9)
|
652 |
|
|
return -1;
|
653 |
|
|
|
654 |
|
|
#endif
|
655 |
|
|
|
656 |
|
|
return fsize;
|
657 |
|
|
}
|
658 |
|
|
|
659 |
|
|
/* take a picture into SDRAM */
|
660 |
|
|
static void mchip_take_picture(void)
|
661 |
|
|
{
|
662 |
|
|
int i;
|
663 |
|
|
|
664 |
|
|
mchip_hic_stop();
|
665 |
|
|
mchip_subsample();
|
666 |
|
|
mchip_dma_setup(meye.mchip_dmahandle);
|
667 |
|
|
|
668 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP);
|
669 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
670 |
|
|
|
671 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
672 |
|
|
|
673 |
|
|
for (i = 0; i < 100; ++i) {
|
674 |
|
|
if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
|
675 |
|
|
break;
|
676 |
|
|
msleep(1);
|
677 |
|
|
}
|
678 |
|
|
}
|
679 |
|
|
|
680 |
|
|
/* dma a previously taken picture into a buffer */
|
681 |
|
|
static void mchip_get_picture(u8 *buf, int bufsize)
|
682 |
|
|
{
|
683 |
|
|
u32 v;
|
684 |
|
|
int i;
|
685 |
|
|
|
686 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT);
|
687 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
688 |
|
|
|
689 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
690 |
|
|
for (i = 0; i < 100; ++i) {
|
691 |
|
|
if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
|
692 |
|
|
break;
|
693 |
|
|
msleep(1);
|
694 |
|
|
}
|
695 |
|
|
for (i = 0; i < 4; ++i) {
|
696 |
|
|
v = mchip_get_frame();
|
697 |
|
|
if (v & MCHIP_MM_FIR_RDY) {
|
698 |
|
|
mchip_cont_read_frame(v, buf, bufsize);
|
699 |
|
|
break;
|
700 |
|
|
}
|
701 |
|
|
mchip_free_frame();
|
702 |
|
|
}
|
703 |
|
|
}
|
704 |
|
|
|
705 |
|
|
/* start continuous dma capture */
|
706 |
|
|
static void mchip_continuous_start(void)
|
707 |
|
|
{
|
708 |
|
|
mchip_hic_stop();
|
709 |
|
|
mchip_subsample();
|
710 |
|
|
mchip_set_framerate();
|
711 |
|
|
mchip_dma_setup(meye.mchip_dmahandle);
|
712 |
|
|
|
713 |
|
|
meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
|
714 |
|
|
|
715 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT);
|
716 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
717 |
|
|
|
718 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
719 |
|
|
}
|
720 |
|
|
|
721 |
|
|
/* compress one frame into a buffer */
|
722 |
|
|
static int mchip_compress_frame(u8 *buf, int bufsize)
|
723 |
|
|
{
|
724 |
|
|
u32 v;
|
725 |
|
|
int len = -1, i;
|
726 |
|
|
|
727 |
|
|
mchip_vrj_setup(0x3f);
|
728 |
|
|
udelay(50);
|
729 |
|
|
|
730 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP);
|
731 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
732 |
|
|
|
733 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
734 |
|
|
for (i = 0; i < 100; ++i) {
|
735 |
|
|
if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
|
736 |
|
|
break;
|
737 |
|
|
msleep(1);
|
738 |
|
|
}
|
739 |
|
|
|
740 |
|
|
for (i = 0; i < 4; ++i) {
|
741 |
|
|
v = mchip_get_frame();
|
742 |
|
|
if (v & MCHIP_MM_FIR_RDY) {
|
743 |
|
|
len = mchip_comp_read_frame(v, buf, bufsize);
|
744 |
|
|
break;
|
745 |
|
|
}
|
746 |
|
|
mchip_free_frame();
|
747 |
|
|
}
|
748 |
|
|
return len;
|
749 |
|
|
}
|
750 |
|
|
|
751 |
|
|
#if 0
|
752 |
|
|
/* uncompress one image into a buffer */
|
753 |
|
|
static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize)
|
754 |
|
|
{
|
755 |
|
|
mchip_vrj_setup(0x3f);
|
756 |
|
|
udelay(50);
|
757 |
|
|
|
758 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP);
|
759 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
760 |
|
|
|
761 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
762 |
|
|
|
763 |
|
|
return mchip_comp_read_frame(buf, bufsize);
|
764 |
|
|
}
|
765 |
|
|
#endif
|
766 |
|
|
|
767 |
|
|
/* start continuous compressed capture */
|
768 |
|
|
static void mchip_cont_compression_start(void)
|
769 |
|
|
{
|
770 |
|
|
mchip_hic_stop();
|
771 |
|
|
mchip_vrj_setup(0x3f);
|
772 |
|
|
mchip_subsample();
|
773 |
|
|
mchip_set_framerate();
|
774 |
|
|
mchip_dma_setup(meye.mchip_dmahandle);
|
775 |
|
|
|
776 |
|
|
meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
|
777 |
|
|
|
778 |
|
|
mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP);
|
779 |
|
|
mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
|
780 |
|
|
|
781 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
782 |
|
|
}
|
783 |
|
|
|
784 |
|
|
/****************************************************************************/
|
785 |
|
|
/* Interrupt handling */
|
786 |
|
|
/****************************************************************************/
|
787 |
|
|
|
788 |
|
|
static irqreturn_t meye_irq(int irq, void *dev_id)
|
789 |
|
|
{
|
790 |
|
|
u32 v;
|
791 |
|
|
int reqnr;
|
792 |
|
|
static int sequence = 0;
|
793 |
|
|
|
794 |
|
|
v = mchip_read(MCHIP_MM_INTA);
|
795 |
|
|
|
796 |
|
|
if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT &&
|
797 |
|
|
meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
|
798 |
|
|
return IRQ_NONE;
|
799 |
|
|
|
800 |
|
|
again:
|
801 |
|
|
v = mchip_get_frame();
|
802 |
|
|
if (!(v & MCHIP_MM_FIR_RDY))
|
803 |
|
|
return IRQ_HANDLED;
|
804 |
|
|
|
805 |
|
|
if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) {
|
806 |
|
|
if (kfifo_get(meye.grabq, (unsigned char *)&reqnr,
|
807 |
|
|
sizeof(int)) != sizeof(int)) {
|
808 |
|
|
mchip_free_frame();
|
809 |
|
|
return IRQ_HANDLED;
|
810 |
|
|
}
|
811 |
|
|
mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr,
|
812 |
|
|
mchip_hsize() * mchip_vsize() * 2);
|
813 |
|
|
meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2;
|
814 |
|
|
meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
|
815 |
|
|
do_gettimeofday(&meye.grab_buffer[reqnr].timestamp);
|
816 |
|
|
meye.grab_buffer[reqnr].sequence = sequence++;
|
817 |
|
|
kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int));
|
818 |
|
|
wake_up_interruptible(&meye.proc_list);
|
819 |
|
|
} else {
|
820 |
|
|
int size;
|
821 |
|
|
size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize);
|
822 |
|
|
if (size == -1) {
|
823 |
|
|
mchip_free_frame();
|
824 |
|
|
goto again;
|
825 |
|
|
}
|
826 |
|
|
if (kfifo_get(meye.grabq, (unsigned char *)&reqnr,
|
827 |
|
|
sizeof(int)) != sizeof(int)) {
|
828 |
|
|
mchip_free_frame();
|
829 |
|
|
goto again;
|
830 |
|
|
}
|
831 |
|
|
memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp,
|
832 |
|
|
size);
|
833 |
|
|
meye.grab_buffer[reqnr].size = size;
|
834 |
|
|
meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
|
835 |
|
|
do_gettimeofday(&meye.grab_buffer[reqnr].timestamp);
|
836 |
|
|
meye.grab_buffer[reqnr].sequence = sequence++;
|
837 |
|
|
kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int));
|
838 |
|
|
wake_up_interruptible(&meye.proc_list);
|
839 |
|
|
}
|
840 |
|
|
mchip_free_frame();
|
841 |
|
|
goto again;
|
842 |
|
|
}
|
843 |
|
|
|
844 |
|
|
/****************************************************************************/
|
845 |
|
|
/* video4linux integration */
|
846 |
|
|
/****************************************************************************/
|
847 |
|
|
|
848 |
|
|
static int meye_open(struct inode *inode, struct file *file)
|
849 |
|
|
{
|
850 |
|
|
int i, err;
|
851 |
|
|
|
852 |
|
|
err = video_exclusive_open(inode, file);
|
853 |
|
|
if (err < 0)
|
854 |
|
|
return err;
|
855 |
|
|
|
856 |
|
|
mchip_hic_stop();
|
857 |
|
|
|
858 |
|
|
if (mchip_dma_alloc()) {
|
859 |
|
|
printk(KERN_ERR "meye: mchip framebuffer allocation failed\n");
|
860 |
|
|
video_exclusive_release(inode, file);
|
861 |
|
|
return -ENOBUFS;
|
862 |
|
|
}
|
863 |
|
|
|
864 |
|
|
for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
|
865 |
|
|
meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
|
866 |
|
|
kfifo_reset(meye.grabq);
|
867 |
|
|
kfifo_reset(meye.doneq);
|
868 |
|
|
return 0;
|
869 |
|
|
}
|
870 |
|
|
|
871 |
|
|
static int meye_release(struct inode *inode, struct file *file)
|
872 |
|
|
{
|
873 |
|
|
mchip_hic_stop();
|
874 |
|
|
mchip_dma_free();
|
875 |
|
|
video_exclusive_release(inode, file);
|
876 |
|
|
return 0;
|
877 |
|
|
}
|
878 |
|
|
|
879 |
|
|
static int meye_do_ioctl(struct inode *inode, struct file *file,
|
880 |
|
|
unsigned int cmd, void *arg)
|
881 |
|
|
{
|
882 |
|
|
switch (cmd) {
|
883 |
|
|
|
884 |
|
|
case VIDIOCGCAP: {
|
885 |
|
|
struct video_capability *b = arg;
|
886 |
|
|
strcpy(b->name,meye.video_dev->name);
|
887 |
|
|
b->type = VID_TYPE_CAPTURE;
|
888 |
|
|
b->channels = 1;
|
889 |
|
|
b->audios = 0;
|
890 |
|
|
b->maxwidth = 640;
|
891 |
|
|
b->maxheight = 480;
|
892 |
|
|
b->minwidth = 320;
|
893 |
|
|
b->minheight = 240;
|
894 |
|
|
break;
|
895 |
|
|
}
|
896 |
|
|
|
897 |
|
|
case VIDIOCGCHAN: {
|
898 |
|
|
struct video_channel *v = arg;
|
899 |
|
|
v->flags = 0;
|
900 |
|
|
v->tuners = 0;
|
901 |
|
|
v->type = VIDEO_TYPE_CAMERA;
|
902 |
|
|
if (v->channel != 0)
|
903 |
|
|
return -EINVAL;
|
904 |
|
|
strcpy(v->name,"Camera");
|
905 |
|
|
break;
|
906 |
|
|
}
|
907 |
|
|
|
908 |
|
|
case VIDIOCSCHAN: {
|
909 |
|
|
struct video_channel *v = arg;
|
910 |
|
|
if (v->channel != 0)
|
911 |
|
|
return -EINVAL;
|
912 |
|
|
break;
|
913 |
|
|
}
|
914 |
|
|
|
915 |
|
|
case VIDIOCGPICT: {
|
916 |
|
|
struct video_picture *p = arg;
|
917 |
|
|
*p = meye.picture;
|
918 |
|
|
break;
|
919 |
|
|
}
|
920 |
|
|
|
921 |
|
|
case VIDIOCSPICT: {
|
922 |
|
|
struct video_picture *p = arg;
|
923 |
|
|
if (p->depth != 16)
|
924 |
|
|
return -EINVAL;
|
925 |
|
|
if (p->palette != VIDEO_PALETTE_YUV422 && p->palette != VIDEO_PALETTE_YUYV)
|
926 |
|
|
return -EINVAL;
|
927 |
|
|
mutex_lock(&meye.lock);
|
928 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS,
|
929 |
|
|
p->brightness >> 10);
|
930 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE,
|
931 |
|
|
p->hue >> 10);
|
932 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR,
|
933 |
|
|
p->colour >> 10);
|
934 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST,
|
935 |
|
|
p->contrast >> 10);
|
936 |
|
|
meye.picture = *p;
|
937 |
|
|
mutex_unlock(&meye.lock);
|
938 |
|
|
break;
|
939 |
|
|
}
|
940 |
|
|
|
941 |
|
|
case VIDIOCSYNC: {
|
942 |
|
|
int *i = arg;
|
943 |
|
|
int unused;
|
944 |
|
|
|
945 |
|
|
if (*i < 0 || *i >= gbuffers)
|
946 |
|
|
return -EINVAL;
|
947 |
|
|
|
948 |
|
|
mutex_lock(&meye.lock);
|
949 |
|
|
|
950 |
|
|
switch (meye.grab_buffer[*i].state) {
|
951 |
|
|
|
952 |
|
|
case MEYE_BUF_UNUSED:
|
953 |
|
|
mutex_unlock(&meye.lock);
|
954 |
|
|
return -EINVAL;
|
955 |
|
|
case MEYE_BUF_USING:
|
956 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
957 |
|
|
mutex_unlock(&meye.lock);
|
958 |
|
|
return -EAGAIN;
|
959 |
|
|
}
|
960 |
|
|
if (wait_event_interruptible(meye.proc_list,
|
961 |
|
|
(meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
|
962 |
|
|
mutex_unlock(&meye.lock);
|
963 |
|
|
return -EINTR;
|
964 |
|
|
}
|
965 |
|
|
/* fall through */
|
966 |
|
|
case MEYE_BUF_DONE:
|
967 |
|
|
meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
|
968 |
|
|
kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
|
969 |
|
|
}
|
970 |
|
|
mutex_unlock(&meye.lock);
|
971 |
|
|
break;
|
972 |
|
|
}
|
973 |
|
|
|
974 |
|
|
case VIDIOCMCAPTURE: {
|
975 |
|
|
struct video_mmap *vm = arg;
|
976 |
|
|
int restart = 0;
|
977 |
|
|
|
978 |
|
|
if (vm->frame >= gbuffers || vm->frame < 0)
|
979 |
|
|
return -EINVAL;
|
980 |
|
|
if (vm->format != VIDEO_PALETTE_YUV422 && vm->format != VIDEO_PALETTE_YUYV)
|
981 |
|
|
return -EINVAL;
|
982 |
|
|
if (vm->height * vm->width * 2 > gbufsize)
|
983 |
|
|
return -EINVAL;
|
984 |
|
|
if (!meye.grab_fbuffer)
|
985 |
|
|
return -EINVAL;
|
986 |
|
|
if (meye.grab_buffer[vm->frame].state != MEYE_BUF_UNUSED)
|
987 |
|
|
return -EBUSY;
|
988 |
|
|
|
989 |
|
|
mutex_lock(&meye.lock);
|
990 |
|
|
if (vm->width == 640 && vm->height == 480) {
|
991 |
|
|
if (meye.params.subsample) {
|
992 |
|
|
meye.params.subsample = 0;
|
993 |
|
|
restart = 1;
|
994 |
|
|
}
|
995 |
|
|
} else if (vm->width == 320 && vm->height == 240) {
|
996 |
|
|
if (!meye.params.subsample) {
|
997 |
|
|
meye.params.subsample = 1;
|
998 |
|
|
restart = 1;
|
999 |
|
|
}
|
1000 |
|
|
} else {
|
1001 |
|
|
mutex_unlock(&meye.lock);
|
1002 |
|
|
return -EINVAL;
|
1003 |
|
|
}
|
1004 |
|
|
|
1005 |
|
|
if (restart || meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT)
|
1006 |
|
|
mchip_continuous_start();
|
1007 |
|
|
meye.grab_buffer[vm->frame].state = MEYE_BUF_USING;
|
1008 |
|
|
kfifo_put(meye.grabq, (unsigned char *)&vm->frame, sizeof(int));
|
1009 |
|
|
mutex_unlock(&meye.lock);
|
1010 |
|
|
break;
|
1011 |
|
|
}
|
1012 |
|
|
|
1013 |
|
|
case VIDIOCGMBUF: {
|
1014 |
|
|
struct video_mbuf *vm = arg;
|
1015 |
|
|
int i;
|
1016 |
|
|
|
1017 |
|
|
memset(vm, 0 , sizeof(*vm));
|
1018 |
|
|
vm->size = gbufsize * gbuffers;
|
1019 |
|
|
vm->frames = gbuffers;
|
1020 |
|
|
for (i = 0; i < gbuffers; i++)
|
1021 |
|
|
vm->offsets[i] = i * gbufsize;
|
1022 |
|
|
break;
|
1023 |
|
|
}
|
1024 |
|
|
|
1025 |
|
|
case MEYEIOC_G_PARAMS: {
|
1026 |
|
|
struct meye_params *p = arg;
|
1027 |
|
|
*p = meye.params;
|
1028 |
|
|
break;
|
1029 |
|
|
}
|
1030 |
|
|
|
1031 |
|
|
case MEYEIOC_S_PARAMS: {
|
1032 |
|
|
struct meye_params *jp = arg;
|
1033 |
|
|
if (jp->subsample > 1)
|
1034 |
|
|
return -EINVAL;
|
1035 |
|
|
if (jp->quality > 10)
|
1036 |
|
|
return -EINVAL;
|
1037 |
|
|
if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63)
|
1038 |
|
|
return -EINVAL;
|
1039 |
|
|
if (jp->framerate > 31)
|
1040 |
|
|
return -EINVAL;
|
1041 |
|
|
mutex_lock(&meye.lock);
|
1042 |
|
|
if (meye.params.subsample != jp->subsample ||
|
1043 |
|
|
meye.params.quality != jp->quality)
|
1044 |
|
|
mchip_hic_stop(); /* need restart */
|
1045 |
|
|
meye.params = *jp;
|
1046 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS,
|
1047 |
|
|
meye.params.sharpness);
|
1048 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC,
|
1049 |
|
|
meye.params.agc);
|
1050 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE,
|
1051 |
|
|
meye.params.picture);
|
1052 |
|
|
mutex_unlock(&meye.lock);
|
1053 |
|
|
break;
|
1054 |
|
|
}
|
1055 |
|
|
|
1056 |
|
|
case MEYEIOC_QBUF_CAPT: {
|
1057 |
|
|
int *nb = arg;
|
1058 |
|
|
|
1059 |
|
|
if (!meye.grab_fbuffer)
|
1060 |
|
|
return -EINVAL;
|
1061 |
|
|
if (*nb >= gbuffers)
|
1062 |
|
|
return -EINVAL;
|
1063 |
|
|
if (*nb < 0) {
|
1064 |
|
|
/* stop capture */
|
1065 |
|
|
mchip_hic_stop();
|
1066 |
|
|
return 0;
|
1067 |
|
|
}
|
1068 |
|
|
if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED)
|
1069 |
|
|
return -EBUSY;
|
1070 |
|
|
mutex_lock(&meye.lock);
|
1071 |
|
|
if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
|
1072 |
|
|
mchip_cont_compression_start();
|
1073 |
|
|
meye.grab_buffer[*nb].state = MEYE_BUF_USING;
|
1074 |
|
|
kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int));
|
1075 |
|
|
mutex_unlock(&meye.lock);
|
1076 |
|
|
break;
|
1077 |
|
|
}
|
1078 |
|
|
|
1079 |
|
|
case MEYEIOC_SYNC: {
|
1080 |
|
|
int *i = arg;
|
1081 |
|
|
int unused;
|
1082 |
|
|
|
1083 |
|
|
if (*i < 0 || *i >= gbuffers)
|
1084 |
|
|
return -EINVAL;
|
1085 |
|
|
|
1086 |
|
|
mutex_lock(&meye.lock);
|
1087 |
|
|
switch (meye.grab_buffer[*i].state) {
|
1088 |
|
|
|
1089 |
|
|
case MEYE_BUF_UNUSED:
|
1090 |
|
|
mutex_unlock(&meye.lock);
|
1091 |
|
|
return -EINVAL;
|
1092 |
|
|
case MEYE_BUF_USING:
|
1093 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
1094 |
|
|
mutex_unlock(&meye.lock);
|
1095 |
|
|
return -EAGAIN;
|
1096 |
|
|
}
|
1097 |
|
|
if (wait_event_interruptible(meye.proc_list,
|
1098 |
|
|
(meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
|
1099 |
|
|
mutex_unlock(&meye.lock);
|
1100 |
|
|
return -EINTR;
|
1101 |
|
|
}
|
1102 |
|
|
/* fall through */
|
1103 |
|
|
case MEYE_BUF_DONE:
|
1104 |
|
|
meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
|
1105 |
|
|
kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
|
1106 |
|
|
}
|
1107 |
|
|
*i = meye.grab_buffer[*i].size;
|
1108 |
|
|
mutex_unlock(&meye.lock);
|
1109 |
|
|
break;
|
1110 |
|
|
}
|
1111 |
|
|
|
1112 |
|
|
case MEYEIOC_STILLCAPT: {
|
1113 |
|
|
|
1114 |
|
|
if (!meye.grab_fbuffer)
|
1115 |
|
|
return -EINVAL;
|
1116 |
|
|
if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
|
1117 |
|
|
return -EBUSY;
|
1118 |
|
|
mutex_lock(&meye.lock);
|
1119 |
|
|
meye.grab_buffer[0].state = MEYE_BUF_USING;
|
1120 |
|
|
mchip_take_picture();
|
1121 |
|
|
mchip_get_picture(
|
1122 |
|
|
meye.grab_fbuffer,
|
1123 |
|
|
mchip_hsize() * mchip_vsize() * 2);
|
1124 |
|
|
meye.grab_buffer[0].state = MEYE_BUF_DONE;
|
1125 |
|
|
mutex_unlock(&meye.lock);
|
1126 |
|
|
break;
|
1127 |
|
|
}
|
1128 |
|
|
|
1129 |
|
|
case MEYEIOC_STILLJCAPT: {
|
1130 |
|
|
int *len = arg;
|
1131 |
|
|
|
1132 |
|
|
if (!meye.grab_fbuffer)
|
1133 |
|
|
return -EINVAL;
|
1134 |
|
|
if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
|
1135 |
|
|
return -EBUSY;
|
1136 |
|
|
mutex_lock(&meye.lock);
|
1137 |
|
|
meye.grab_buffer[0].state = MEYE_BUF_USING;
|
1138 |
|
|
*len = -1;
|
1139 |
|
|
while (*len == -1) {
|
1140 |
|
|
mchip_take_picture();
|
1141 |
|
|
*len = mchip_compress_frame(meye.grab_fbuffer, gbufsize);
|
1142 |
|
|
}
|
1143 |
|
|
meye.grab_buffer[0].state = MEYE_BUF_DONE;
|
1144 |
|
|
mutex_unlock(&meye.lock);
|
1145 |
|
|
break;
|
1146 |
|
|
}
|
1147 |
|
|
|
1148 |
|
|
case VIDIOC_QUERYCAP: {
|
1149 |
|
|
struct v4l2_capability *cap = arg;
|
1150 |
|
|
|
1151 |
|
|
if (forcev4l1)
|
1152 |
|
|
return -EINVAL;
|
1153 |
|
|
|
1154 |
|
|
memset(cap, 0, sizeof(*cap));
|
1155 |
|
|
strcpy(cap->driver, "meye");
|
1156 |
|
|
strcpy(cap->card, "meye");
|
1157 |
|
|
sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
|
1158 |
|
|
cap->version = (MEYE_DRIVER_MAJORVERSION << 8) +
|
1159 |
|
|
MEYE_DRIVER_MINORVERSION;
|
1160 |
|
|
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
|
1161 |
|
|
V4L2_CAP_STREAMING;
|
1162 |
|
|
break;
|
1163 |
|
|
}
|
1164 |
|
|
|
1165 |
|
|
case VIDIOC_ENUMINPUT: {
|
1166 |
|
|
struct v4l2_input *i = arg;
|
1167 |
|
|
|
1168 |
|
|
if (i->index != 0)
|
1169 |
|
|
return -EINVAL;
|
1170 |
|
|
memset(i, 0, sizeof(*i));
|
1171 |
|
|
i->index = 0;
|
1172 |
|
|
strcpy(i->name, "Camera");
|
1173 |
|
|
i->type = V4L2_INPUT_TYPE_CAMERA;
|
1174 |
|
|
break;
|
1175 |
|
|
}
|
1176 |
|
|
|
1177 |
|
|
case VIDIOC_G_INPUT: {
|
1178 |
|
|
int *i = arg;
|
1179 |
|
|
|
1180 |
|
|
*i = 0;
|
1181 |
|
|
break;
|
1182 |
|
|
}
|
1183 |
|
|
|
1184 |
|
|
case VIDIOC_S_INPUT: {
|
1185 |
|
|
int *i = arg;
|
1186 |
|
|
|
1187 |
|
|
if (*i != 0)
|
1188 |
|
|
return -EINVAL;
|
1189 |
|
|
break;
|
1190 |
|
|
}
|
1191 |
|
|
|
1192 |
|
|
case VIDIOC_QUERYCTRL: {
|
1193 |
|
|
struct v4l2_queryctrl *c = arg;
|
1194 |
|
|
|
1195 |
|
|
switch (c->id) {
|
1196 |
|
|
|
1197 |
|
|
case V4L2_CID_BRIGHTNESS:
|
1198 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1199 |
|
|
strcpy(c->name, "Brightness");
|
1200 |
|
|
c->minimum = 0;
|
1201 |
|
|
c->maximum = 63;
|
1202 |
|
|
c->step = 1;
|
1203 |
|
|
c->default_value = 32;
|
1204 |
|
|
c->flags = 0;
|
1205 |
|
|
break;
|
1206 |
|
|
case V4L2_CID_HUE:
|
1207 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1208 |
|
|
strcpy(c->name, "Hue");
|
1209 |
|
|
c->minimum = 0;
|
1210 |
|
|
c->maximum = 63;
|
1211 |
|
|
c->step = 1;
|
1212 |
|
|
c->default_value = 32;
|
1213 |
|
|
c->flags = 0;
|
1214 |
|
|
break;
|
1215 |
|
|
case V4L2_CID_CONTRAST:
|
1216 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1217 |
|
|
strcpy(c->name, "Contrast");
|
1218 |
|
|
c->minimum = 0;
|
1219 |
|
|
c->maximum = 63;
|
1220 |
|
|
c->step = 1;
|
1221 |
|
|
c->default_value = 32;
|
1222 |
|
|
c->flags = 0;
|
1223 |
|
|
break;
|
1224 |
|
|
case V4L2_CID_SATURATION:
|
1225 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1226 |
|
|
strcpy(c->name, "Saturation");
|
1227 |
|
|
c->minimum = 0;
|
1228 |
|
|
c->maximum = 63;
|
1229 |
|
|
c->step = 1;
|
1230 |
|
|
c->default_value = 32;
|
1231 |
|
|
c->flags = 0;
|
1232 |
|
|
break;
|
1233 |
|
|
case V4L2_CID_AGC:
|
1234 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1235 |
|
|
strcpy(c->name, "Agc");
|
1236 |
|
|
c->minimum = 0;
|
1237 |
|
|
c->maximum = 63;
|
1238 |
|
|
c->step = 1;
|
1239 |
|
|
c->default_value = 48;
|
1240 |
|
|
c->flags = 0;
|
1241 |
|
|
break;
|
1242 |
|
|
case V4L2_CID_SHARPNESS:
|
1243 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1244 |
|
|
strcpy(c->name, "Sharpness");
|
1245 |
|
|
c->minimum = 0;
|
1246 |
|
|
c->maximum = 63;
|
1247 |
|
|
c->step = 1;
|
1248 |
|
|
c->default_value = 32;
|
1249 |
|
|
c->flags = 0;
|
1250 |
|
|
break;
|
1251 |
|
|
case V4L2_CID_PICTURE:
|
1252 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1253 |
|
|
strcpy(c->name, "Picture");
|
1254 |
|
|
c->minimum = 0;
|
1255 |
|
|
c->maximum = 63;
|
1256 |
|
|
c->step = 1;
|
1257 |
|
|
c->default_value = 0;
|
1258 |
|
|
c->flags = 0;
|
1259 |
|
|
break;
|
1260 |
|
|
case V4L2_CID_JPEGQUAL:
|
1261 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1262 |
|
|
strcpy(c->name, "JPEG quality");
|
1263 |
|
|
c->minimum = 0;
|
1264 |
|
|
c->maximum = 10;
|
1265 |
|
|
c->step = 1;
|
1266 |
|
|
c->default_value = 8;
|
1267 |
|
|
c->flags = 0;
|
1268 |
|
|
break;
|
1269 |
|
|
case V4L2_CID_FRAMERATE:
|
1270 |
|
|
c->type = V4L2_CTRL_TYPE_INTEGER;
|
1271 |
|
|
strcpy(c->name, "Framerate");
|
1272 |
|
|
c->minimum = 0;
|
1273 |
|
|
c->maximum = 31;
|
1274 |
|
|
c->step = 1;
|
1275 |
|
|
c->default_value = 0;
|
1276 |
|
|
c->flags = 0;
|
1277 |
|
|
break;
|
1278 |
|
|
default:
|
1279 |
|
|
return -EINVAL;
|
1280 |
|
|
}
|
1281 |
|
|
break;
|
1282 |
|
|
}
|
1283 |
|
|
|
1284 |
|
|
case VIDIOC_S_CTRL: {
|
1285 |
|
|
struct v4l2_control *c = arg;
|
1286 |
|
|
|
1287 |
|
|
mutex_lock(&meye.lock);
|
1288 |
|
|
switch (c->id) {
|
1289 |
|
|
case V4L2_CID_BRIGHTNESS:
|
1290 |
|
|
sony_pic_camera_command(
|
1291 |
|
|
SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value);
|
1292 |
|
|
meye.picture.brightness = c->value << 10;
|
1293 |
|
|
break;
|
1294 |
|
|
case V4L2_CID_HUE:
|
1295 |
|
|
sony_pic_camera_command(
|
1296 |
|
|
SONY_PIC_COMMAND_SETCAMERAHUE, c->value);
|
1297 |
|
|
meye.picture.hue = c->value << 10;
|
1298 |
|
|
break;
|
1299 |
|
|
case V4L2_CID_CONTRAST:
|
1300 |
|
|
sony_pic_camera_command(
|
1301 |
|
|
SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value);
|
1302 |
|
|
meye.picture.contrast = c->value << 10;
|
1303 |
|
|
break;
|
1304 |
|
|
case V4L2_CID_SATURATION:
|
1305 |
|
|
sony_pic_camera_command(
|
1306 |
|
|
SONY_PIC_COMMAND_SETCAMERACOLOR, c->value);
|
1307 |
|
|
meye.picture.colour = c->value << 10;
|
1308 |
|
|
break;
|
1309 |
|
|
case V4L2_CID_AGC:
|
1310 |
|
|
sony_pic_camera_command(
|
1311 |
|
|
SONY_PIC_COMMAND_SETCAMERAAGC, c->value);
|
1312 |
|
|
meye.params.agc = c->value;
|
1313 |
|
|
break;
|
1314 |
|
|
case V4L2_CID_SHARPNESS:
|
1315 |
|
|
sony_pic_camera_command(
|
1316 |
|
|
SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value);
|
1317 |
|
|
meye.params.sharpness = c->value;
|
1318 |
|
|
break;
|
1319 |
|
|
case V4L2_CID_PICTURE:
|
1320 |
|
|
sony_pic_camera_command(
|
1321 |
|
|
SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value);
|
1322 |
|
|
meye.params.picture = c->value;
|
1323 |
|
|
break;
|
1324 |
|
|
case V4L2_CID_JPEGQUAL:
|
1325 |
|
|
meye.params.quality = c->value;
|
1326 |
|
|
break;
|
1327 |
|
|
case V4L2_CID_FRAMERATE:
|
1328 |
|
|
meye.params.framerate = c->value;
|
1329 |
|
|
break;
|
1330 |
|
|
default:
|
1331 |
|
|
mutex_unlock(&meye.lock);
|
1332 |
|
|
return -EINVAL;
|
1333 |
|
|
}
|
1334 |
|
|
mutex_unlock(&meye.lock);
|
1335 |
|
|
break;
|
1336 |
|
|
}
|
1337 |
|
|
|
1338 |
|
|
case VIDIOC_G_CTRL: {
|
1339 |
|
|
struct v4l2_control *c = arg;
|
1340 |
|
|
|
1341 |
|
|
mutex_lock(&meye.lock);
|
1342 |
|
|
switch (c->id) {
|
1343 |
|
|
case V4L2_CID_BRIGHTNESS:
|
1344 |
|
|
c->value = meye.picture.brightness >> 10;
|
1345 |
|
|
break;
|
1346 |
|
|
case V4L2_CID_HUE:
|
1347 |
|
|
c->value = meye.picture.hue >> 10;
|
1348 |
|
|
break;
|
1349 |
|
|
case V4L2_CID_CONTRAST:
|
1350 |
|
|
c->value = meye.picture.contrast >> 10;
|
1351 |
|
|
break;
|
1352 |
|
|
case V4L2_CID_SATURATION:
|
1353 |
|
|
c->value = meye.picture.colour >> 10;
|
1354 |
|
|
break;
|
1355 |
|
|
case V4L2_CID_AGC:
|
1356 |
|
|
c->value = meye.params.agc;
|
1357 |
|
|
break;
|
1358 |
|
|
case V4L2_CID_SHARPNESS:
|
1359 |
|
|
c->value = meye.params.sharpness;
|
1360 |
|
|
break;
|
1361 |
|
|
case V4L2_CID_PICTURE:
|
1362 |
|
|
c->value = meye.params.picture;
|
1363 |
|
|
break;
|
1364 |
|
|
case V4L2_CID_JPEGQUAL:
|
1365 |
|
|
c->value = meye.params.quality;
|
1366 |
|
|
break;
|
1367 |
|
|
case V4L2_CID_FRAMERATE:
|
1368 |
|
|
c->value = meye.params.framerate;
|
1369 |
|
|
break;
|
1370 |
|
|
default:
|
1371 |
|
|
mutex_unlock(&meye.lock);
|
1372 |
|
|
return -EINVAL;
|
1373 |
|
|
}
|
1374 |
|
|
mutex_unlock(&meye.lock);
|
1375 |
|
|
break;
|
1376 |
|
|
}
|
1377 |
|
|
|
1378 |
|
|
case VIDIOC_ENUM_FMT: {
|
1379 |
|
|
struct v4l2_fmtdesc *f = arg;
|
1380 |
|
|
|
1381 |
|
|
if (f->index > 1)
|
1382 |
|
|
return -EINVAL;
|
1383 |
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1384 |
|
|
return -EINVAL;
|
1385 |
|
|
if (f->index == 0) {
|
1386 |
|
|
/* standard YUV 422 capture */
|
1387 |
|
|
memset(f, 0, sizeof(*f));
|
1388 |
|
|
f->index = 0;
|
1389 |
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
1390 |
|
|
f->flags = 0;
|
1391 |
|
|
strcpy(f->description, "YUV422");
|
1392 |
|
|
f->pixelformat = V4L2_PIX_FMT_YUYV;
|
1393 |
|
|
} else {
|
1394 |
|
|
/* compressed MJPEG capture */
|
1395 |
|
|
memset(f, 0, sizeof(*f));
|
1396 |
|
|
f->index = 1;
|
1397 |
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
1398 |
|
|
f->flags = V4L2_FMT_FLAG_COMPRESSED;
|
1399 |
|
|
strcpy(f->description, "MJPEG");
|
1400 |
|
|
f->pixelformat = V4L2_PIX_FMT_MJPEG;
|
1401 |
|
|
}
|
1402 |
|
|
break;
|
1403 |
|
|
}
|
1404 |
|
|
|
1405 |
|
|
case VIDIOC_TRY_FMT: {
|
1406 |
|
|
struct v4l2_format *f = arg;
|
1407 |
|
|
|
1408 |
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1409 |
|
|
return -EINVAL;
|
1410 |
|
|
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
|
1411 |
|
|
f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
|
1412 |
|
|
return -EINVAL;
|
1413 |
|
|
if (f->fmt.pix.field != V4L2_FIELD_ANY &&
|
1414 |
|
|
f->fmt.pix.field != V4L2_FIELD_NONE)
|
1415 |
|
|
return -EINVAL;
|
1416 |
|
|
f->fmt.pix.field = V4L2_FIELD_NONE;
|
1417 |
|
|
if (f->fmt.pix.width <= 320) {
|
1418 |
|
|
f->fmt.pix.width = 320;
|
1419 |
|
|
f->fmt.pix.height = 240;
|
1420 |
|
|
} else {
|
1421 |
|
|
f->fmt.pix.width = 640;
|
1422 |
|
|
f->fmt.pix.height = 480;
|
1423 |
|
|
}
|
1424 |
|
|
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
|
1425 |
|
|
f->fmt.pix.sizeimage = f->fmt.pix.height *
|
1426 |
|
|
f->fmt.pix.bytesperline;
|
1427 |
|
|
f->fmt.pix.colorspace = 0;
|
1428 |
|
|
f->fmt.pix.priv = 0;
|
1429 |
|
|
break;
|
1430 |
|
|
}
|
1431 |
|
|
|
1432 |
|
|
case VIDIOC_G_FMT: {
|
1433 |
|
|
struct v4l2_format *f = arg;
|
1434 |
|
|
|
1435 |
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1436 |
|
|
return -EINVAL;
|
1437 |
|
|
memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
|
1438 |
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
1439 |
|
|
switch (meye.mchip_mode) {
|
1440 |
|
|
case MCHIP_HIC_MODE_CONT_OUT:
|
1441 |
|
|
default:
|
1442 |
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
|
1443 |
|
|
break;
|
1444 |
|
|
case MCHIP_HIC_MODE_CONT_COMP:
|
1445 |
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
|
1446 |
|
|
break;
|
1447 |
|
|
}
|
1448 |
|
|
f->fmt.pix.field = V4L2_FIELD_NONE;
|
1449 |
|
|
f->fmt.pix.width = mchip_hsize();
|
1450 |
|
|
f->fmt.pix.height = mchip_vsize();
|
1451 |
|
|
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
|
1452 |
|
|
f->fmt.pix.sizeimage = f->fmt.pix.height *
|
1453 |
|
|
f->fmt.pix.bytesperline;
|
1454 |
|
|
f->fmt.pix.colorspace = 0;
|
1455 |
|
|
f->fmt.pix.priv = 0;
|
1456 |
|
|
break;
|
1457 |
|
|
}
|
1458 |
|
|
|
1459 |
|
|
case VIDIOC_S_FMT: {
|
1460 |
|
|
struct v4l2_format *f = arg;
|
1461 |
|
|
|
1462 |
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1463 |
|
|
return -EINVAL;
|
1464 |
|
|
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
|
1465 |
|
|
f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
|
1466 |
|
|
return -EINVAL;
|
1467 |
|
|
if (f->fmt.pix.field != V4L2_FIELD_ANY &&
|
1468 |
|
|
f->fmt.pix.field != V4L2_FIELD_NONE)
|
1469 |
|
|
return -EINVAL;
|
1470 |
|
|
f->fmt.pix.field = V4L2_FIELD_NONE;
|
1471 |
|
|
mutex_lock(&meye.lock);
|
1472 |
|
|
if (f->fmt.pix.width <= 320) {
|
1473 |
|
|
f->fmt.pix.width = 320;
|
1474 |
|
|
f->fmt.pix.height = 240;
|
1475 |
|
|
meye.params.subsample = 1;
|
1476 |
|
|
} else {
|
1477 |
|
|
f->fmt.pix.width = 640;
|
1478 |
|
|
f->fmt.pix.height = 480;
|
1479 |
|
|
meye.params.subsample = 0;
|
1480 |
|
|
}
|
1481 |
|
|
switch (f->fmt.pix.pixelformat) {
|
1482 |
|
|
case V4L2_PIX_FMT_YUYV:
|
1483 |
|
|
meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
|
1484 |
|
|
break;
|
1485 |
|
|
case V4L2_PIX_FMT_MJPEG:
|
1486 |
|
|
meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
|
1487 |
|
|
break;
|
1488 |
|
|
}
|
1489 |
|
|
mutex_unlock(&meye.lock);
|
1490 |
|
|
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
|
1491 |
|
|
f->fmt.pix.sizeimage = f->fmt.pix.height *
|
1492 |
|
|
f->fmt.pix.bytesperline;
|
1493 |
|
|
f->fmt.pix.colorspace = 0;
|
1494 |
|
|
f->fmt.pix.priv = 0;
|
1495 |
|
|
|
1496 |
|
|
break;
|
1497 |
|
|
}
|
1498 |
|
|
|
1499 |
|
|
case VIDIOC_REQBUFS: {
|
1500 |
|
|
struct v4l2_requestbuffers *req = arg;
|
1501 |
|
|
int i;
|
1502 |
|
|
|
1503 |
|
|
if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1504 |
|
|
return -EINVAL;
|
1505 |
|
|
if (req->memory != V4L2_MEMORY_MMAP)
|
1506 |
|
|
return -EINVAL;
|
1507 |
|
|
if (meye.grab_fbuffer && req->count == gbuffers) {
|
1508 |
|
|
/* already allocated, no modifications */
|
1509 |
|
|
break;
|
1510 |
|
|
}
|
1511 |
|
|
mutex_lock(&meye.lock);
|
1512 |
|
|
if (meye.grab_fbuffer) {
|
1513 |
|
|
for (i = 0; i < gbuffers; i++)
|
1514 |
|
|
if (meye.vma_use_count[i]) {
|
1515 |
|
|
mutex_unlock(&meye.lock);
|
1516 |
|
|
return -EINVAL;
|
1517 |
|
|
}
|
1518 |
|
|
rvfree(meye.grab_fbuffer, gbuffers * gbufsize);
|
1519 |
|
|
meye.grab_fbuffer = NULL;
|
1520 |
|
|
}
|
1521 |
|
|
gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS));
|
1522 |
|
|
req->count = gbuffers;
|
1523 |
|
|
meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize);
|
1524 |
|
|
if (!meye.grab_fbuffer) {
|
1525 |
|
|
printk(KERN_ERR "meye: v4l framebuffer allocation"
|
1526 |
|
|
" failed\n");
|
1527 |
|
|
mutex_unlock(&meye.lock);
|
1528 |
|
|
return -ENOMEM;
|
1529 |
|
|
}
|
1530 |
|
|
for (i = 0; i < gbuffers; i++)
|
1531 |
|
|
meye.vma_use_count[i] = 0;
|
1532 |
|
|
mutex_unlock(&meye.lock);
|
1533 |
|
|
break;
|
1534 |
|
|
}
|
1535 |
|
|
|
1536 |
|
|
case VIDIOC_QUERYBUF: {
|
1537 |
|
|
struct v4l2_buffer *buf = arg;
|
1538 |
|
|
int index = buf->index;
|
1539 |
|
|
|
1540 |
|
|
if (index < 0 || index >= gbuffers)
|
1541 |
|
|
return -EINVAL;
|
1542 |
|
|
memset(buf, 0, sizeof(*buf));
|
1543 |
|
|
buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
1544 |
|
|
buf->index = index;
|
1545 |
|
|
buf->bytesused = meye.grab_buffer[index].size;
|
1546 |
|
|
buf->flags = V4L2_BUF_FLAG_MAPPED;
|
1547 |
|
|
if (meye.grab_buffer[index].state == MEYE_BUF_USING)
|
1548 |
|
|
buf->flags |= V4L2_BUF_FLAG_QUEUED;
|
1549 |
|
|
if (meye.grab_buffer[index].state == MEYE_BUF_DONE)
|
1550 |
|
|
buf->flags |= V4L2_BUF_FLAG_DONE;
|
1551 |
|
|
buf->field = V4L2_FIELD_NONE;
|
1552 |
|
|
buf->timestamp = meye.grab_buffer[index].timestamp;
|
1553 |
|
|
buf->sequence = meye.grab_buffer[index].sequence;
|
1554 |
|
|
buf->memory = V4L2_MEMORY_MMAP;
|
1555 |
|
|
buf->m.offset = index * gbufsize;
|
1556 |
|
|
buf->length = gbufsize;
|
1557 |
|
|
break;
|
1558 |
|
|
}
|
1559 |
|
|
|
1560 |
|
|
case VIDIOC_QBUF: {
|
1561 |
|
|
struct v4l2_buffer *buf = arg;
|
1562 |
|
|
|
1563 |
|
|
if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1564 |
|
|
return -EINVAL;
|
1565 |
|
|
if (buf->memory != V4L2_MEMORY_MMAP)
|
1566 |
|
|
return -EINVAL;
|
1567 |
|
|
if (buf->index < 0 || buf->index >= gbuffers)
|
1568 |
|
|
return -EINVAL;
|
1569 |
|
|
if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
|
1570 |
|
|
return -EINVAL;
|
1571 |
|
|
mutex_lock(&meye.lock);
|
1572 |
|
|
buf->flags |= V4L2_BUF_FLAG_QUEUED;
|
1573 |
|
|
buf->flags &= ~V4L2_BUF_FLAG_DONE;
|
1574 |
|
|
meye.grab_buffer[buf->index].state = MEYE_BUF_USING;
|
1575 |
|
|
kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int));
|
1576 |
|
|
mutex_unlock(&meye.lock);
|
1577 |
|
|
break;
|
1578 |
|
|
}
|
1579 |
|
|
|
1580 |
|
|
case VIDIOC_DQBUF: {
|
1581 |
|
|
struct v4l2_buffer *buf = arg;
|
1582 |
|
|
int reqnr;
|
1583 |
|
|
|
1584 |
|
|
if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
1585 |
|
|
return -EINVAL;
|
1586 |
|
|
if (buf->memory != V4L2_MEMORY_MMAP)
|
1587 |
|
|
return -EINVAL;
|
1588 |
|
|
|
1589 |
|
|
mutex_lock(&meye.lock);
|
1590 |
|
|
if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) {
|
1591 |
|
|
mutex_unlock(&meye.lock);
|
1592 |
|
|
return -EAGAIN;
|
1593 |
|
|
}
|
1594 |
|
|
if (wait_event_interruptible(meye.proc_list,
|
1595 |
|
|
kfifo_len(meye.doneq) != 0) < 0) {
|
1596 |
|
|
mutex_unlock(&meye.lock);
|
1597 |
|
|
return -EINTR;
|
1598 |
|
|
}
|
1599 |
|
|
if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr,
|
1600 |
|
|
sizeof(int))) {
|
1601 |
|
|
mutex_unlock(&meye.lock);
|
1602 |
|
|
return -EBUSY;
|
1603 |
|
|
}
|
1604 |
|
|
if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) {
|
1605 |
|
|
mutex_unlock(&meye.lock);
|
1606 |
|
|
return -EINVAL;
|
1607 |
|
|
}
|
1608 |
|
|
buf->index = reqnr;
|
1609 |
|
|
buf->bytesused = meye.grab_buffer[reqnr].size;
|
1610 |
|
|
buf->flags = V4L2_BUF_FLAG_MAPPED;
|
1611 |
|
|
buf->field = V4L2_FIELD_NONE;
|
1612 |
|
|
buf->timestamp = meye.grab_buffer[reqnr].timestamp;
|
1613 |
|
|
buf->sequence = meye.grab_buffer[reqnr].sequence;
|
1614 |
|
|
buf->memory = V4L2_MEMORY_MMAP;
|
1615 |
|
|
buf->m.offset = reqnr * gbufsize;
|
1616 |
|
|
buf->length = gbufsize;
|
1617 |
|
|
meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED;
|
1618 |
|
|
mutex_unlock(&meye.lock);
|
1619 |
|
|
break;
|
1620 |
|
|
}
|
1621 |
|
|
|
1622 |
|
|
case VIDIOC_STREAMON: {
|
1623 |
|
|
mutex_lock(&meye.lock);
|
1624 |
|
|
switch (meye.mchip_mode) {
|
1625 |
|
|
case MCHIP_HIC_MODE_CONT_OUT:
|
1626 |
|
|
mchip_continuous_start();
|
1627 |
|
|
break;
|
1628 |
|
|
case MCHIP_HIC_MODE_CONT_COMP:
|
1629 |
|
|
mchip_cont_compression_start();
|
1630 |
|
|
break;
|
1631 |
|
|
default:
|
1632 |
|
|
mutex_unlock(&meye.lock);
|
1633 |
|
|
return -EINVAL;
|
1634 |
|
|
}
|
1635 |
|
|
mutex_unlock(&meye.lock);
|
1636 |
|
|
break;
|
1637 |
|
|
}
|
1638 |
|
|
|
1639 |
|
|
case VIDIOC_STREAMOFF: {
|
1640 |
|
|
int i;
|
1641 |
|
|
|
1642 |
|
|
mutex_lock(&meye.lock);
|
1643 |
|
|
mchip_hic_stop();
|
1644 |
|
|
kfifo_reset(meye.grabq);
|
1645 |
|
|
kfifo_reset(meye.doneq);
|
1646 |
|
|
for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
|
1647 |
|
|
meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
|
1648 |
|
|
mutex_unlock(&meye.lock);
|
1649 |
|
|
break;
|
1650 |
|
|
}
|
1651 |
|
|
|
1652 |
|
|
/*
|
1653 |
|
|
* XXX what about private snapshot ioctls ?
|
1654 |
|
|
* Do they need to be converted to V4L2 ?
|
1655 |
|
|
*/
|
1656 |
|
|
|
1657 |
|
|
default:
|
1658 |
|
|
return -ENOIOCTLCMD;
|
1659 |
|
|
}
|
1660 |
|
|
|
1661 |
|
|
return 0;
|
1662 |
|
|
}
|
1663 |
|
|
|
1664 |
|
|
static int meye_ioctl(struct inode *inode, struct file *file,
|
1665 |
|
|
unsigned int cmd, unsigned long arg)
|
1666 |
|
|
{
|
1667 |
|
|
return video_usercopy(inode, file, cmd, arg, meye_do_ioctl);
|
1668 |
|
|
}
|
1669 |
|
|
|
1670 |
|
|
static unsigned int meye_poll(struct file *file, poll_table *wait)
|
1671 |
|
|
{
|
1672 |
|
|
unsigned int res = 0;
|
1673 |
|
|
|
1674 |
|
|
mutex_lock(&meye.lock);
|
1675 |
|
|
poll_wait(file, &meye.proc_list, wait);
|
1676 |
|
|
if (kfifo_len(meye.doneq))
|
1677 |
|
|
res = POLLIN | POLLRDNORM;
|
1678 |
|
|
mutex_unlock(&meye.lock);
|
1679 |
|
|
return res;
|
1680 |
|
|
}
|
1681 |
|
|
|
1682 |
|
|
static void meye_vm_open(struct vm_area_struct *vma)
|
1683 |
|
|
{
|
1684 |
|
|
long idx = (long)vma->vm_private_data;
|
1685 |
|
|
meye.vma_use_count[idx]++;
|
1686 |
|
|
}
|
1687 |
|
|
|
1688 |
|
|
static void meye_vm_close(struct vm_area_struct *vma)
|
1689 |
|
|
{
|
1690 |
|
|
long idx = (long)vma->vm_private_data;
|
1691 |
|
|
meye.vma_use_count[idx]--;
|
1692 |
|
|
}
|
1693 |
|
|
|
1694 |
|
|
static struct vm_operations_struct meye_vm_ops = {
|
1695 |
|
|
.open = meye_vm_open,
|
1696 |
|
|
.close = meye_vm_close,
|
1697 |
|
|
};
|
1698 |
|
|
|
1699 |
|
|
static int meye_mmap(struct file *file, struct vm_area_struct *vma)
|
1700 |
|
|
{
|
1701 |
|
|
unsigned long start = vma->vm_start;
|
1702 |
|
|
unsigned long size = vma->vm_end - vma->vm_start;
|
1703 |
|
|
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
|
1704 |
|
|
unsigned long page, pos;
|
1705 |
|
|
|
1706 |
|
|
mutex_lock(&meye.lock);
|
1707 |
|
|
if (size > gbuffers * gbufsize) {
|
1708 |
|
|
mutex_unlock(&meye.lock);
|
1709 |
|
|
return -EINVAL;
|
1710 |
|
|
}
|
1711 |
|
|
if (!meye.grab_fbuffer) {
|
1712 |
|
|
int i;
|
1713 |
|
|
|
1714 |
|
|
/* lazy allocation */
|
1715 |
|
|
meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize);
|
1716 |
|
|
if (!meye.grab_fbuffer) {
|
1717 |
|
|
printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
|
1718 |
|
|
mutex_unlock(&meye.lock);
|
1719 |
|
|
return -ENOMEM;
|
1720 |
|
|
}
|
1721 |
|
|
for (i = 0; i < gbuffers; i++)
|
1722 |
|
|
meye.vma_use_count[i] = 0;
|
1723 |
|
|
}
|
1724 |
|
|
pos = (unsigned long)meye.grab_fbuffer + offset;
|
1725 |
|
|
|
1726 |
|
|
while (size > 0) {
|
1727 |
|
|
page = vmalloc_to_pfn((void *)pos);
|
1728 |
|
|
if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
|
1729 |
|
|
mutex_unlock(&meye.lock);
|
1730 |
|
|
return -EAGAIN;
|
1731 |
|
|
}
|
1732 |
|
|
start += PAGE_SIZE;
|
1733 |
|
|
pos += PAGE_SIZE;
|
1734 |
|
|
if (size > PAGE_SIZE)
|
1735 |
|
|
size -= PAGE_SIZE;
|
1736 |
|
|
else
|
1737 |
|
|
size = 0;
|
1738 |
|
|
}
|
1739 |
|
|
|
1740 |
|
|
vma->vm_ops = &meye_vm_ops;
|
1741 |
|
|
vma->vm_flags &= ~VM_IO; /* not I/O memory */
|
1742 |
|
|
vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */
|
1743 |
|
|
vma->vm_private_data = (void *) (offset / gbufsize);
|
1744 |
|
|
meye_vm_open(vma);
|
1745 |
|
|
|
1746 |
|
|
mutex_unlock(&meye.lock);
|
1747 |
|
|
return 0;
|
1748 |
|
|
}
|
1749 |
|
|
|
1750 |
|
|
static const struct file_operations meye_fops = {
|
1751 |
|
|
.owner = THIS_MODULE,
|
1752 |
|
|
.open = meye_open,
|
1753 |
|
|
.release = meye_release,
|
1754 |
|
|
.mmap = meye_mmap,
|
1755 |
|
|
.ioctl = meye_ioctl,
|
1756 |
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
1757 |
|
|
.poll = meye_poll,
|
1758 |
|
|
.llseek = no_llseek,
|
1759 |
|
|
};
|
1760 |
|
|
|
1761 |
|
|
static struct video_device meye_template = {
|
1762 |
|
|
.owner = THIS_MODULE,
|
1763 |
|
|
.name = "meye",
|
1764 |
|
|
.type = VID_TYPE_CAPTURE,
|
1765 |
|
|
.fops = &meye_fops,
|
1766 |
|
|
.release = video_device_release,
|
1767 |
|
|
.minor = -1,
|
1768 |
|
|
};
|
1769 |
|
|
|
1770 |
|
|
#ifdef CONFIG_PM
|
1771 |
|
|
static int meye_suspend(struct pci_dev *pdev, pm_message_t state)
|
1772 |
|
|
{
|
1773 |
|
|
pci_save_state(pdev);
|
1774 |
|
|
meye.pm_mchip_mode = meye.mchip_mode;
|
1775 |
|
|
mchip_hic_stop();
|
1776 |
|
|
mchip_set(MCHIP_MM_INTA, 0x0);
|
1777 |
|
|
return 0;
|
1778 |
|
|
}
|
1779 |
|
|
|
1780 |
|
|
static int meye_resume(struct pci_dev *pdev)
|
1781 |
|
|
{
|
1782 |
|
|
pci_restore_state(pdev);
|
1783 |
|
|
pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
|
1784 |
|
|
|
1785 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
1786 |
|
|
mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
|
1787 |
|
|
msleep(1);
|
1788 |
|
|
mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
|
1789 |
|
|
msleep(1);
|
1790 |
|
|
mchip_set(MCHIP_MM_PCI_MODE, 5);
|
1791 |
|
|
msleep(1);
|
1792 |
|
|
mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
|
1793 |
|
|
|
1794 |
|
|
switch (meye.pm_mchip_mode) {
|
1795 |
|
|
case MCHIP_HIC_MODE_CONT_OUT:
|
1796 |
|
|
mchip_continuous_start();
|
1797 |
|
|
break;
|
1798 |
|
|
case MCHIP_HIC_MODE_CONT_COMP:
|
1799 |
|
|
mchip_cont_compression_start();
|
1800 |
|
|
break;
|
1801 |
|
|
}
|
1802 |
|
|
return 0;
|
1803 |
|
|
}
|
1804 |
|
|
#endif
|
1805 |
|
|
|
1806 |
|
|
static int __devinit meye_probe(struct pci_dev *pcidev,
|
1807 |
|
|
const struct pci_device_id *ent)
|
1808 |
|
|
{
|
1809 |
|
|
int ret = -EBUSY;
|
1810 |
|
|
unsigned long mchip_adr;
|
1811 |
|
|
|
1812 |
|
|
if (meye.mchip_dev != NULL) {
|
1813 |
|
|
printk(KERN_ERR "meye: only one device allowed!\n");
|
1814 |
|
|
goto outnotdev;
|
1815 |
|
|
}
|
1816 |
|
|
|
1817 |
|
|
meye.mchip_dev = pcidev;
|
1818 |
|
|
meye.video_dev = video_device_alloc();
|
1819 |
|
|
if (!meye.video_dev) {
|
1820 |
|
|
printk(KERN_ERR "meye: video_device_alloc() failed!\n");
|
1821 |
|
|
goto outnotdev;
|
1822 |
|
|
}
|
1823 |
|
|
|
1824 |
|
|
ret = -ENOMEM;
|
1825 |
|
|
meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE);
|
1826 |
|
|
if (!meye.grab_temp) {
|
1827 |
|
|
printk(KERN_ERR "meye: grab buffer allocation failed\n");
|
1828 |
|
|
goto outvmalloc;
|
1829 |
|
|
}
|
1830 |
|
|
|
1831 |
|
|
spin_lock_init(&meye.grabq_lock);
|
1832 |
|
|
meye.grabq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL,
|
1833 |
|
|
&meye.grabq_lock);
|
1834 |
|
|
if (IS_ERR(meye.grabq)) {
|
1835 |
|
|
printk(KERN_ERR "meye: fifo allocation failed\n");
|
1836 |
|
|
goto outkfifoalloc1;
|
1837 |
|
|
}
|
1838 |
|
|
spin_lock_init(&meye.doneq_lock);
|
1839 |
|
|
meye.doneq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL,
|
1840 |
|
|
&meye.doneq_lock);
|
1841 |
|
|
if (IS_ERR(meye.doneq)) {
|
1842 |
|
|
printk(KERN_ERR "meye: fifo allocation failed\n");
|
1843 |
|
|
goto outkfifoalloc2;
|
1844 |
|
|
}
|
1845 |
|
|
|
1846 |
|
|
memcpy(meye.video_dev, &meye_template, sizeof(meye_template));
|
1847 |
|
|
meye.video_dev->dev = &meye.mchip_dev->dev;
|
1848 |
|
|
|
1849 |
|
|
if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) {
|
1850 |
|
|
printk(KERN_ERR "meye: unable to power on the camera\n");
|
1851 |
|
|
printk(KERN_ERR "meye: did you enable the camera in "
|
1852 |
|
|
"sonypi using the module options ?\n");
|
1853 |
|
|
goto outsonypienable;
|
1854 |
|
|
}
|
1855 |
|
|
|
1856 |
|
|
ret = -EIO;
|
1857 |
|
|
if ((ret = pci_enable_device(meye.mchip_dev))) {
|
1858 |
|
|
printk(KERN_ERR "meye: pci_enable_device failed\n");
|
1859 |
|
|
goto outenabledev;
|
1860 |
|
|
}
|
1861 |
|
|
|
1862 |
|
|
mchip_adr = pci_resource_start(meye.mchip_dev,0);
|
1863 |
|
|
if (!mchip_adr) {
|
1864 |
|
|
printk(KERN_ERR "meye: mchip has no device base address\n");
|
1865 |
|
|
goto outregions;
|
1866 |
|
|
}
|
1867 |
|
|
if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0),
|
1868 |
|
|
pci_resource_len(meye.mchip_dev, 0),
|
1869 |
|
|
"meye")) {
|
1870 |
|
|
printk(KERN_ERR "meye: request_mem_region failed\n");
|
1871 |
|
|
goto outregions;
|
1872 |
|
|
}
|
1873 |
|
|
meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS);
|
1874 |
|
|
if (!meye.mchip_mmregs) {
|
1875 |
|
|
printk(KERN_ERR "meye: ioremap failed\n");
|
1876 |
|
|
goto outremap;
|
1877 |
|
|
}
|
1878 |
|
|
|
1879 |
|
|
meye.mchip_irq = pcidev->irq;
|
1880 |
|
|
if (request_irq(meye.mchip_irq, meye_irq,
|
1881 |
|
|
IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) {
|
1882 |
|
|
printk(KERN_ERR "meye: request_irq failed\n");
|
1883 |
|
|
goto outreqirq;
|
1884 |
|
|
}
|
1885 |
|
|
|
1886 |
|
|
pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8);
|
1887 |
|
|
pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64);
|
1888 |
|
|
|
1889 |
|
|
pci_set_master(meye.mchip_dev);
|
1890 |
|
|
|
1891 |
|
|
/* Ask the camera to perform a soft reset. */
|
1892 |
|
|
pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
|
1893 |
|
|
|
1894 |
|
|
mchip_delay(MCHIP_HIC_CMD, 0);
|
1895 |
|
|
mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
|
1896 |
|
|
|
1897 |
|
|
msleep(1);
|
1898 |
|
|
mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
|
1899 |
|
|
|
1900 |
|
|
msleep(1);
|
1901 |
|
|
mchip_set(MCHIP_MM_PCI_MODE, 5);
|
1902 |
|
|
|
1903 |
|
|
msleep(1);
|
1904 |
|
|
mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
|
1905 |
|
|
|
1906 |
|
|
if (video_register_device(meye.video_dev, VFL_TYPE_GRABBER,
|
1907 |
|
|
video_nr) < 0) {
|
1908 |
|
|
printk(KERN_ERR "meye: video_register_device failed\n");
|
1909 |
|
|
goto outvideoreg;
|
1910 |
|
|
}
|
1911 |
|
|
|
1912 |
|
|
mutex_init(&meye.lock);
|
1913 |
|
|
init_waitqueue_head(&meye.proc_list);
|
1914 |
|
|
meye.picture.depth = 16;
|
1915 |
|
|
meye.picture.palette = VIDEO_PALETTE_YUV422;
|
1916 |
|
|
meye.picture.brightness = 32 << 10;
|
1917 |
|
|
meye.picture.hue = 32 << 10;
|
1918 |
|
|
meye.picture.colour = 32 << 10;
|
1919 |
|
|
meye.picture.contrast = 32 << 10;
|
1920 |
|
|
meye.picture.whiteness = 0;
|
1921 |
|
|
meye.params.subsample = 0;
|
1922 |
|
|
meye.params.quality = 8;
|
1923 |
|
|
meye.params.sharpness = 32;
|
1924 |
|
|
meye.params.agc = 48;
|
1925 |
|
|
meye.params.picture = 0;
|
1926 |
|
|
meye.params.framerate = 0;
|
1927 |
|
|
|
1928 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32);
|
1929 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32);
|
1930 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32);
|
1931 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32);
|
1932 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32);
|
1933 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0);
|
1934 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48);
|
1935 |
|
|
|
1936 |
|
|
printk(KERN_INFO "meye: Motion Eye Camera Driver v%s.\n",
|
1937 |
|
|
MEYE_DRIVER_VERSION);
|
1938 |
|
|
printk(KERN_INFO "meye: mchip KL5A72002 rev. %d, base %lx, irq %d\n",
|
1939 |
|
|
meye.mchip_dev->revision, mchip_adr, meye.mchip_irq);
|
1940 |
|
|
|
1941 |
|
|
return 0;
|
1942 |
|
|
|
1943 |
|
|
outvideoreg:
|
1944 |
|
|
free_irq(meye.mchip_irq, meye_irq);
|
1945 |
|
|
outreqirq:
|
1946 |
|
|
iounmap(meye.mchip_mmregs);
|
1947 |
|
|
outremap:
|
1948 |
|
|
release_mem_region(pci_resource_start(meye.mchip_dev, 0),
|
1949 |
|
|
pci_resource_len(meye.mchip_dev, 0));
|
1950 |
|
|
outregions:
|
1951 |
|
|
pci_disable_device(meye.mchip_dev);
|
1952 |
|
|
outenabledev:
|
1953 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
|
1954 |
|
|
outsonypienable:
|
1955 |
|
|
kfifo_free(meye.doneq);
|
1956 |
|
|
outkfifoalloc2:
|
1957 |
|
|
kfifo_free(meye.grabq);
|
1958 |
|
|
outkfifoalloc1:
|
1959 |
|
|
vfree(meye.grab_temp);
|
1960 |
|
|
outvmalloc:
|
1961 |
|
|
video_device_release(meye.video_dev);
|
1962 |
|
|
outnotdev:
|
1963 |
|
|
return ret;
|
1964 |
|
|
}
|
1965 |
|
|
|
1966 |
|
|
static void __devexit meye_remove(struct pci_dev *pcidev)
|
1967 |
|
|
{
|
1968 |
|
|
video_unregister_device(meye.video_dev);
|
1969 |
|
|
|
1970 |
|
|
mchip_hic_stop();
|
1971 |
|
|
|
1972 |
|
|
mchip_dma_free();
|
1973 |
|
|
|
1974 |
|
|
/* disable interrupts */
|
1975 |
|
|
mchip_set(MCHIP_MM_INTA, 0x0);
|
1976 |
|
|
|
1977 |
|
|
free_irq(meye.mchip_irq, meye_irq);
|
1978 |
|
|
|
1979 |
|
|
iounmap(meye.mchip_mmregs);
|
1980 |
|
|
|
1981 |
|
|
release_mem_region(pci_resource_start(meye.mchip_dev, 0),
|
1982 |
|
|
pci_resource_len(meye.mchip_dev, 0));
|
1983 |
|
|
|
1984 |
|
|
pci_disable_device(meye.mchip_dev);
|
1985 |
|
|
|
1986 |
|
|
sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
|
1987 |
|
|
|
1988 |
|
|
kfifo_free(meye.doneq);
|
1989 |
|
|
kfifo_free(meye.grabq);
|
1990 |
|
|
|
1991 |
|
|
vfree(meye.grab_temp);
|
1992 |
|
|
|
1993 |
|
|
if (meye.grab_fbuffer) {
|
1994 |
|
|
rvfree(meye.grab_fbuffer, gbuffers*gbufsize);
|
1995 |
|
|
meye.grab_fbuffer = NULL;
|
1996 |
|
|
}
|
1997 |
|
|
|
1998 |
|
|
printk(KERN_INFO "meye: removed\n");
|
1999 |
|
|
}
|
2000 |
|
|
|
2001 |
|
|
static struct pci_device_id meye_pci_tbl[] = {
|
2002 |
|
|
{ PCI_VENDOR_ID_KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002,
|
2003 |
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
2004 |
|
|
{ }
|
2005 |
|
|
};
|
2006 |
|
|
|
2007 |
|
|
MODULE_DEVICE_TABLE(pci, meye_pci_tbl);
|
2008 |
|
|
|
2009 |
|
|
static struct pci_driver meye_driver = {
|
2010 |
|
|
.name = "meye",
|
2011 |
|
|
.id_table = meye_pci_tbl,
|
2012 |
|
|
.probe = meye_probe,
|
2013 |
|
|
.remove = __devexit_p(meye_remove),
|
2014 |
|
|
#ifdef CONFIG_PM
|
2015 |
|
|
.suspend = meye_suspend,
|
2016 |
|
|
.resume = meye_resume,
|
2017 |
|
|
#endif
|
2018 |
|
|
};
|
2019 |
|
|
|
2020 |
|
|
static int __init meye_init(void)
|
2021 |
|
|
{
|
2022 |
|
|
gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS));
|
2023 |
|
|
if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE)
|
2024 |
|
|
gbufsize = MEYE_MAX_BUFSIZE;
|
2025 |
|
|
gbufsize = PAGE_ALIGN(gbufsize);
|
2026 |
|
|
printk(KERN_INFO "meye: using %d buffers with %dk (%dk total)"
|
2027 |
|
|
"for capture\n",
|
2028 |
|
|
gbuffers,
|
2029 |
|
|
gbufsize / 1024, gbuffers * gbufsize / 1024);
|
2030 |
|
|
return pci_register_driver(&meye_driver);
|
2031 |
|
|
}
|
2032 |
|
|
|
2033 |
|
|
static void __exit meye_exit(void)
|
2034 |
|
|
{
|
2035 |
|
|
pci_unregister_driver(&meye_driver);
|
2036 |
|
|
}
|
2037 |
|
|
|
2038 |
|
|
module_init(meye_init);
|
2039 |
|
|
module_exit(meye_exit);
|