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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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/* 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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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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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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| 221 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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| 222 |
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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| 223 |
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0xffff, 0xffff, 0xffff,
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| 224 |
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},
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| 225 |
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{
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| 226 |
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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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| 235 |
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0xffff, 0xffff, 0xffff,
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| 236 |
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},
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| 237 |
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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,
|
| 245 |
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0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
|
| 246 |
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0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
|
| 247 |
|
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0xf8f8, 0xf8f8, 0xfff8,
|
| 248 |
|
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},
|
| 249 |
|
|
{
|
| 250 |
|
|
0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17,
|
| 251 |
|
|
0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042,
|
| 252 |
|
|
0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73,
|
| 253 |
|
|
0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba,
|
| 254 |
|
|
0x99c7, 0xaba8, 0xffa4,
|
| 255 |
|
|
0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e,
|
| 256 |
|
|
0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
| 257 |
|
|
0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
| 258 |
|
|
0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
|
| 259 |
|
|
0xa4a4, 0xa4a4, 0xffa4,
|
| 260 |
|
|
},
|
| 261 |
|
|
{
|
| 262 |
|
|
0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712,
|
| 263 |
|
|
0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932,
|
| 264 |
|
|
0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556,
|
| 265 |
|
|
0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c,
|
| 266 |
|
|
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);
|
