--- /dev/null
+/*
+ * Motion Eye video4linux driver for Sony Vaio PictureBook
+ *
+ * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
+ *
+ * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
+ *
+ * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
+ *
+ * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
+ *
+ * Some parts borrowed from various video4linux drivers, especially
+ * bttv-driver.c and zoran.c, see original files for credits.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-fh.h>
+#include <media/v4l2-event.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/vmalloc.h>
+#include <linux/dma-mapping.h>
+
+#include "meye.h"
+#include <linux/meye.h>
+
+MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
+MODULE_DESCRIPTION("v4l2 driver for the MotionEye camera");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(MEYE_DRIVER_VERSION);
+
+/* number of grab buffers */
+static unsigned int gbuffers = 2;
+module_param(gbuffers, int, 0444);
+MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)");
+
+/* size of a grab buffer */
+static unsigned int gbufsize = MEYE_MAX_BUFSIZE;
+module_param(gbufsize, int, 0444);
+MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400"
+ " (will be rounded up to a page multiple)");
+
+/* /dev/videoX registration number */
+static int video_nr = -1;
+module_param(video_nr, int, 0444);
+MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)");
+
+/* driver structure - only one possible */
+static struct meye meye;
+
+/****************************************************************************/
+/* Memory allocation routines (stolen from bttv-driver.c) */
+/****************************************************************************/
+static void *rvmalloc(unsigned long size)
+{
+ void *mem;
+ unsigned long adr;
+
+ size = PAGE_ALIGN(size);
+ mem = vmalloc_32(size);
+ if (mem) {
+ memset(mem, 0, size);
+ adr = (unsigned long) mem;
+ while (size > 0) {
+ SetPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+ }
+ return mem;
+}
+
+static void rvfree(void * mem, unsigned long size)
+{
+ unsigned long adr;
+
+ if (mem) {
+ adr = (unsigned long) mem;
+ while ((long) size > 0) {
+ ClearPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+ vfree(mem);
+ }
+}
+
+/*
+ * return a page table pointing to N pages of locked memory
+ *
+ * NOTE: The meye device expects DMA addresses on 32 bits, we build
+ * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes.
+ */
+static int ptable_alloc(void)
+{
+ u32 *pt;
+ int i;
+
+ memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
+
+ /* give only 32 bit DMA addresses */
+ if (dma_set_mask(&meye.mchip_dev->dev, DMA_BIT_MASK(32)))
+ return -1;
+
+ meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ &meye.mchip_dmahandle,
+ GFP_KERNEL);
+ if (!meye.mchip_ptable_toc) {
+ meye.mchip_dmahandle = 0;
+ return -1;
+ }
+
+ pt = meye.mchip_ptable_toc;
+ for (i = 0; i < MCHIP_NB_PAGES; i++) {
+ dma_addr_t dma;
+ meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ &dma,
+ GFP_KERNEL);
+ if (!meye.mchip_ptable[i]) {
+ int j;
+ pt = meye.mchip_ptable_toc;
+ for (j = 0; j < i; ++j) {
+ dma = (dma_addr_t) *pt;
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable[j], dma);
+ pt++;
+ }
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable_toc,
+ meye.mchip_dmahandle);
+ meye.mchip_ptable_toc = NULL;
+ meye.mchip_dmahandle = 0;
+ return -1;
+ }
+ *pt = (u32) dma;
+ pt++;
+ }
+ return 0;
+}
+
+static void ptable_free(void)
+{
+ u32 *pt;
+ int i;
+
+ pt = meye.mchip_ptable_toc;
+ for (i = 0; i < MCHIP_NB_PAGES; i++) {
+ dma_addr_t dma = (dma_addr_t) *pt;
+ if (meye.mchip_ptable[i])
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable[i], dma);
+ pt++;
+ }
+
+ if (meye.mchip_ptable_toc)
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable_toc,
+ meye.mchip_dmahandle);
+
+ memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
+ meye.mchip_ptable_toc = NULL;
+ meye.mchip_dmahandle = 0;
+}
+
+/* copy data from ptable into buf */
+static void ptable_copy(u8 *buf, int start, int size, int pt_pages)
+{
+ int i;
+
+ for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) {
+ memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE);
+ if (start >= pt_pages)
+ start = 0;
+ }
+ memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE);
+}
+
+/****************************************************************************/
+/* JPEG tables at different qualities to load into the VRJ chip */
+/****************************************************************************/
+
+/* return a set of quantisation tables based on a quality from 1 to 10 */
+static u16 *jpeg_quantisation_tables(int *length, int quality)
+{
+ static u16 jpeg_tables[][70] = { {
+ 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ 0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ },
+ {
+ 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46,
+ 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ },
+ {
+ 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23,
+ 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164,
+ 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad,
+ 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff,
+ 0xe6ff, 0xfffd, 0xfff8,
+ 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876,
+ 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xfff8,
+ },
+ {
+ 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17,
+ 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042,
+ 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73,
+ 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba,
+ 0x99c7, 0xaba8, 0xffa4,
+ 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e,
+ 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xffa4,
+ },
+ {
+ 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712,
+ 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932,
+ 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556,
+ 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c,
+ 0x7396, 0x817e, 0xff7c,
+ 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b,
+ 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0xff7c,
+ },
+ {
+ 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e,
+ 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28,
+ 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745,
+ 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470,
+ 0x5c78, 0x6765, 0xff63,
+ 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f,
+ 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0xff63,
+ },
+ {
+ 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b,
+ 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20,
+ 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37,
+ 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a,
+ 0x4a60, 0x5251, 0xff4f,
+ 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26,
+ 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0xff4f,
+ },
+ {
+ 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08,
+ 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318,
+ 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129,
+ 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43,
+ 0x3748, 0x3e3d, 0xff3b,
+ 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c,
+ 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0xff3b,
+ },
+ {
+ 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706,
+ 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710,
+ 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c,
+ 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d,
+ 0x2530, 0x2928, 0xff28,
+ 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813,
+ 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0xff28,
+ },
+ {
+ 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403,
+ 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08,
+ 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e,
+ 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416,
+ 0x1218, 0x1514, 0xff14,
+ 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409,
+ 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0xff14,
+ },
+ {
+ 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0xff01,
+ 0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0xff01,
+ } };
+
+ if (quality < 0 || quality > 10) {
+ printk(KERN_WARNING
+ "meye: invalid quality level %d - using 8\n", quality);
+ quality = 8;
+ }
+
+ *length = ARRAY_SIZE(jpeg_tables[quality]);
+ return jpeg_tables[quality];
+}
+
+/* return a generic set of huffman tables */
+static u16 *jpeg_huffman_tables(int *length)
+{
+ static u16 tables[] = {
+ 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405,
+ 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131,
+ 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142,
+ 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918,
+ 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443,
+ 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463,
+ 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483,
+ 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A,
+ 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8,
+ 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6,
+ 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2,
+ 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
+ 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405,
+ 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206,
+ 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1,
+ 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125,
+ 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A,
+ 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A,
+ 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A,
+ 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998,
+ 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6,
+ 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4,
+ 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2,
+ 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
+ 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
+ 0xFF0B,
+ 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
+ 0xFF0B
+ };
+
+ *length = ARRAY_SIZE(tables);
+ return tables;
+}
+
+/****************************************************************************/
+/* MCHIP low-level functions */
+/****************************************************************************/
+
+/* returns the horizontal capture size */
+static inline int mchip_hsize(void)
+{
+ return meye.params.subsample ? 320 : 640;
+}
+
+/* returns the vertical capture size */
+static inline int mchip_vsize(void)
+{
+ return meye.params.subsample ? 240 : 480;
+}
+
+/* waits for a register to be available */
+static void mchip_sync(int reg)
+{
+ u32 status;
+ int i;
+
+ if (reg == MCHIP_MM_FIFO_DATA) {
+ for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
+ status = readl(meye.mchip_mmregs +
+ MCHIP_MM_FIFO_STATUS);
+ if (!(status & MCHIP_MM_FIFO_WAIT)) {
+ printk(KERN_WARNING "meye: fifo not ready\n");
+ return;
+ }
+ if (status & MCHIP_MM_FIFO_READY)
+ return;
+ udelay(1);
+ }
+ } else if (reg > 0x80) {
+ u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY
+ : MCHIP_HIC_STATUS_VRJ_RDY;
+ for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
+ status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS);
+ if (status & mask)
+ return;
+ udelay(1);
+ }
+ } else
+ return;
+ printk(KERN_WARNING
+ "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n",
+ reg, status);
+}
+
+/* sets a value into the register */
+static inline void mchip_set(int reg, u32 v)
+{
+ mchip_sync(reg);
+ writel(v, meye.mchip_mmregs + reg);
+}
+
+/* get the register value */
+static inline u32 mchip_read(int reg)
+{
+ mchip_sync(reg);
+ return readl(meye.mchip_mmregs + reg);
+}
+
+/* wait for a register to become a particular value */
+static inline int mchip_delay(u32 reg, u32 v)
+{
+ int n = 10;
+ while (--n && mchip_read(reg) != v)
+ udelay(1);
+ return n;
+}
+
+/* setup subsampling */
+static void mchip_subsample(void)
+{
+ mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample);
+ mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize());
+ mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize());
+ mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize());
+ mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize());
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+}
+
+/* set the framerate into the mchip */
+static void mchip_set_framerate(void)
+{
+ mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate);
+}
+
+/* load some huffman and quantisation tables into the VRJ chip ready
+ for JPEG compression */
+static void mchip_load_tables(void)
+{
+ int i;
+ int length;
+ u16 *tables;
+
+ tables = jpeg_huffman_tables(&length);
+ for (i = 0; i < length; i++)
+ writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
+
+ tables = jpeg_quantisation_tables(&length, meye.params.quality);
+ for (i = 0; i < length; i++)
+ writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
+}
+
+/* setup the VRJ parameters in the chip */
+static void mchip_vrj_setup(u8 mode)
+{
+ mchip_set(MCHIP_VRJ_BUS_MODE, 5);
+ mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f);
+ mchip_set(MCHIP_VRJ_PDAT_USE, 1);
+ mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0);
+ mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode);
+ mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize());
+ mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize());
+ mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b);
+ mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF);
+ mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF);
+ mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC);
+ mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0);
+ mchip_set(MCHIP_VRJ_SOF1, 0x601);
+ mchip_set(MCHIP_VRJ_SOF2, 0x1502);
+ mchip_set(MCHIP_VRJ_SOF3, 0x1503);
+ mchip_set(MCHIP_VRJ_SOF4, 0x1596);
+ mchip_set(MCHIP_VRJ_SOS, 0x0ed0);
+
+ mchip_load_tables();
+}
+
+/* sets the DMA parameters into the chip */
+static void mchip_dma_setup(dma_addr_t dma_addr)
+{
+ int i;
+
+ mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr);
+ for (i = 0; i < 4; i++)
+ mchip_set(MCHIP_MM_FIR(i), 0);
+ meye.mchip_fnum = 0;
+}
+
+/* setup for DMA transfers - also zeros the framebuffer */
+static int mchip_dma_alloc(void)
+{
+ if (!meye.mchip_dmahandle)
+ if (ptable_alloc())
+ return -1;
+ return 0;
+}
+
+/* frees the DMA buffer */
+static void mchip_dma_free(void)
+{
+ if (meye.mchip_dmahandle) {
+ mchip_dma_setup(0);
+ ptable_free();
+ }
+}
+
+/* stop any existing HIC action and wait for any dma to complete then
+ reset the dma engine */
+static void mchip_hic_stop(void)
+{
+ int i, j;
+
+ meye.mchip_mode = MCHIP_HIC_MODE_NOOP;
+ if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY))
+ return;
+ for (i = 0; i < 20; ++i) {
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP);
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (j = 0; j < 100; ++j) {
+ if (mchip_delay(MCHIP_HIC_STATUS,
+ MCHIP_HIC_STATUS_IDLE))
+ return;
+ msleep(1);
+ }
+ printk(KERN_ERR "meye: need to reset HIC!\n");
+
+ mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET);
+ msleep(250);
+ }
+ printk(KERN_ERR "meye: resetting HIC hanged!\n");
+}
+
+/****************************************************************************/
+/* MCHIP frame processing functions */
+/****************************************************************************/
+
+/* get the next ready frame from the dma engine */
+static u32 mchip_get_frame(void)
+{
+ u32 v;
+
+ v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum));
+ return v;
+}
+
+/* frees the current frame from the dma engine */
+static void mchip_free_frame(void)
+{
+ mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0);
+ meye.mchip_fnum++;
+ meye.mchip_fnum %= 4;
+}
+
+/* read one frame from the framebuffer assuming it was captured using
+ a uncompressed transfer */
+static void mchip_cont_read_frame(u32 v, u8 *buf, int size)
+{
+ int pt_id;
+
+ pt_id = (v >> 17) & 0x3FF;
+
+ ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES);
+}
+
+/* read a compressed frame from the framebuffer */
+static int mchip_comp_read_frame(u32 v, u8 *buf, int size)
+{
+ int pt_start, pt_end, trailer;
+ int fsize;
+ int i;
+
+ pt_start = (v >> 19) & 0xFF;
+ pt_end = (v >> 11) & 0xFF;
+ trailer = (v >> 1) & 0x3FF;
+
+ if (pt_end < pt_start)
+ fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE +
+ pt_end * PAGE_SIZE + trailer * 4;
+ else
+ fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4;
+
+ if (fsize > size) {
+ printk(KERN_WARNING "meye: oversized compressed frame %d\n",
+ fsize);
+ return -1;
+ }
+
+ ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG);
+
+#ifdef MEYE_JPEG_CORRECTION
+
+ /* Some mchip generated jpeg frames are incorrect. In most
+ * (all ?) of those cases, the final EOI (0xff 0xd9) marker
+ * is not present at the end of the frame.
+ *
+ * Since adding the final marker is not enough to restore
+ * the jpeg integrity, we drop the frame.
+ */
+
+ for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ;
+
+ if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9)
+ return -1;
+
+#endif
+
+ return fsize;
+}
+
+/* take a picture into SDRAM */
+static void mchip_take_picture(void)
+{
+ int i;
+
+ mchip_hic_stop();
+ mchip_subsample();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+}
+
+/* dma a previously taken picture into a buffer */
+static void mchip_get_picture(u8 *buf, int bufsize)
+{
+ u32 v;
+ int i;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+ for (i = 0; i < 4; ++i) {
+ v = mchip_get_frame();
+ if (v & MCHIP_MM_FIR_RDY) {
+ mchip_cont_read_frame(v, buf, bufsize);
+ break;
+ }
+ mchip_free_frame();
+ }
+}
+
+/* start continuous dma capture */
+static void mchip_continuous_start(void)
+{
+ mchip_hic_stop();
+ mchip_subsample();
+ mchip_set_framerate();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+}
+
+/* compress one frame into a buffer */
+static int mchip_compress_frame(u8 *buf, int bufsize)
+{
+ u32 v;
+ int len = -1, i;
+
+ mchip_vrj_setup(0x3f);
+ udelay(50);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+
+ for (i = 0; i < 4; ++i) {
+ v = mchip_get_frame();
+ if (v & MCHIP_MM_FIR_RDY) {
+ len = mchip_comp_read_frame(v, buf, bufsize);
+ break;
+ }
+ mchip_free_frame();
+ }
+ return len;
+}
+
+#if 0
+/* uncompress one image into a buffer */
+static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize)
+{
+ mchip_vrj_setup(0x3f);
+ udelay(50);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+
+ return mchip_comp_read_frame(buf, bufsize);
+}
+#endif
+
+/* start continuous compressed capture */
+static void mchip_cont_compression_start(void)
+{
+ mchip_hic_stop();
+ mchip_vrj_setup(0x3f);
+ mchip_subsample();
+ mchip_set_framerate();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+}
+
+/****************************************************************************/
+/* Interrupt handling */
+/****************************************************************************/
+
+static irqreturn_t meye_irq(int irq, void *dev_id)
+{
+ u32 v;
+ int reqnr;
+ static int sequence;
+
+ v = mchip_read(MCHIP_MM_INTA);
+
+ if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT &&
+ meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
+ return IRQ_NONE;
+
+again:
+ v = mchip_get_frame();
+ if (!(v & MCHIP_MM_FIR_RDY))
+ return IRQ_HANDLED;
+
+ if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) {
+ if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.grabq_lock) != sizeof(int)) {
+ mchip_free_frame();
+ return IRQ_HANDLED;
+ }
+ mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr,
+ mchip_hsize() * mchip_vsize() * 2);
+ meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
+ v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].sequence = sequence++;
+ kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock);
+ wake_up_interruptible(&meye.proc_list);
+ } else {
+ int size;
+ size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize);
+ if (size == -1) {
+ mchip_free_frame();
+ goto again;
+ }
+ if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.grabq_lock) != sizeof(int)) {
+ mchip_free_frame();
+ goto again;
+ }
+ memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp,
+ size);
+ meye.grab_buffer[reqnr].size = size;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
+ v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].sequence = sequence++;
+ kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock);
+ wake_up_interruptible(&meye.proc_list);
+ }
+ mchip_free_frame();
+ goto again;
+}
+
+/****************************************************************************/
+/* video4linux integration */
+/****************************************************************************/
+
+static int meye_open(struct file *file)
+{
+ int i;
+
+ if (test_and_set_bit(0, &meye.in_use))
+ return -EBUSY;
+
+ mchip_hic_stop();
+
+ if (mchip_dma_alloc()) {
+ printk(KERN_ERR "meye: mchip framebuffer allocation failed\n");
+ clear_bit(0, &meye.in_use);
+ return -ENOBUFS;
+ }
+
+ for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
+ meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
+ kfifo_reset(&meye.grabq);
+ kfifo_reset(&meye.doneq);
+ return v4l2_fh_open(file);
+}
+
+static int meye_release(struct file *file)
+{
+ mchip_hic_stop();
+ mchip_dma_free();
+ clear_bit(0, &meye.in_use);
+ return v4l2_fh_release(file);
+}
+
+static int meyeioc_g_params(struct meye_params *p)
+{
+ *p = meye.params;
+ return 0;
+}
+
+static int meyeioc_s_params(struct meye_params *jp)
+{
+ if (jp->subsample > 1)
+ return -EINVAL;
+
+ if (jp->quality > 10)
+ return -EINVAL;
+
+ if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63)
+ return -EINVAL;
+
+ if (jp->framerate > 31)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+
+ if (meye.params.subsample != jp->subsample ||
+ meye.params.quality != jp->quality)
+ mchip_hic_stop(); /* need restart */
+
+ meye.params = *jp;
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS,
+ meye.params.sharpness);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC,
+ meye.params.agc);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE,
+ meye.params.picture);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_qbuf_capt(int *nb)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (*nb >= gbuffers)
+ return -EINVAL;
+
+ if (*nb < 0) {
+ /* stop capture */
+ mchip_hic_stop();
+ return 0;
+ }
+
+ if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+
+ if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
+ mchip_cont_compression_start();
+
+ meye.grab_buffer[*nb].state = MEYE_BUF_USING;
+ kfifo_in_locked(&meye.grabq, (unsigned char *)nb, sizeof(int),
+ &meye.grabq_lock);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_sync(struct file *file, void *fh, int *i)
+{
+ int unused;
+
+ if (*i < 0 || *i >= gbuffers)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+ switch (meye.grab_buffer[*i].state) {
+
+ case MEYE_BUF_UNUSED:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ case MEYE_BUF_USING:
+ if (file->f_flags & O_NONBLOCK) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+ if (wait_event_interruptible(meye.proc_list,
+ (meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
+ mutex_unlock(&meye.lock);
+ return -EINTR;
+ }
+ /* fall through */
+ case MEYE_BUF_DONE:
+ meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
+ if (kfifo_out_locked(&meye.doneq, (unsigned char *)&unused,
+ sizeof(int), &meye.doneq_lock) != sizeof(int))
+ break;
+ }
+ *i = meye.grab_buffer[*i].size;
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static int meyeioc_stillcapt(void)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+ meye.grab_buffer[0].state = MEYE_BUF_USING;
+ mchip_take_picture();
+
+ mchip_get_picture(meye.grab_fbuffer,
+ mchip_hsize() * mchip_vsize() * 2);
+
+ meye.grab_buffer[0].state = MEYE_BUF_DONE;
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_stilljcapt(int *len)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+ meye.grab_buffer[0].state = MEYE_BUF_USING;
+ *len = -1;
+
+ while (*len == -1) {
+ mchip_take_picture();
+ *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize);
+ }
+
+ meye.grab_buffer[0].state = MEYE_BUF_DONE;
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static int vidioc_querycap(struct file *file, void *fh,
+ struct v4l2_capability *cap)
+{
+ strcpy(cap->driver, "meye");
+ strcpy(cap->card, "meye");
+ sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
+
+ cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_STREAMING;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
+{
+ if (i->index != 0)
+ return -EINVAL;
+
+ strcpy(i->name, "Camera");
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
+{
+ *i = 0;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *fh, unsigned int i)
+{
+ if (i != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int meye_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ mutex_lock(&meye.lock);
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, ctrl->val);
+ meye.brightness = ctrl->val << 10;
+ break;
+ case V4L2_CID_HUE:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAHUE, ctrl->val);
+ meye.hue = ctrl->val << 10;
+ break;
+ case V4L2_CID_CONTRAST:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERACONTRAST, ctrl->val);
+ meye.contrast = ctrl->val << 10;
+ break;
+ case V4L2_CID_SATURATION:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERACOLOR, ctrl->val);
+ meye.colour = ctrl->val << 10;
+ break;
+ case V4L2_CID_MEYE_AGC:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAAGC, ctrl->val);
+ meye.params.agc = ctrl->val;
+ break;
+ case V4L2_CID_SHARPNESS:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERASHARPNESS, ctrl->val);
+ meye.params.sharpness = ctrl->val;
+ break;
+ case V4L2_CID_MEYE_PICTURE:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAPICTURE, ctrl->val);
+ meye.params.picture = ctrl->val;
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ meye.params.quality = ctrl->val;
+ break;
+ case V4L2_CID_MEYE_FRAMERATE:
+ meye.params.framerate = ctrl->val;
+ break;
+ default:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index > 1)
+ return -EINVAL;
+
+ if (f->index == 0) {
+ /* standard YUV 422 capture */
+ f->flags = 0;
+ strcpy(f->description, "YUV422");
+ f->pixelformat = V4L2_PIX_FMT_YUYV;
+ } else {
+ /* compressed MJPEG capture */
+ f->flags = V4L2_FMT_FLAG_COMPRESSED;
+ strcpy(f->description, "MJPEG");
+ f->pixelformat = V4L2_PIX_FMT_MJPEG;
+ }
+
+ return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
+ f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+ return -EINVAL;
+
+ if (f->fmt.pix.field != V4L2_FIELD_ANY &&
+ f->fmt.pix.field != V4L2_FIELD_NONE)
+ return -EINVAL;
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+
+ if (f->fmt.pix.width <= 320) {
+ f->fmt.pix.width = 320;
+ f->fmt.pix.height = 240;
+ } else {
+ f->fmt.pix.width = 640;
+ f->fmt.pix.height = 480;
+ }
+
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = 0;
+
+ return 0;
+}
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ switch (meye.mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ default:
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
+ break;
+ }
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ f->fmt.pix.width = mchip_hsize();
+ f->fmt.pix.height = mchip_vsize();
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+
+ return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
+ f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+ return -EINVAL;
+
+ if (f->fmt.pix.field != V4L2_FIELD_ANY &&
+ f->fmt.pix.field != V4L2_FIELD_NONE)
+ return -EINVAL;
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ mutex_lock(&meye.lock);
+
+ if (f->fmt.pix.width <= 320) {
+ f->fmt.pix.width = 320;
+ f->fmt.pix.height = 240;
+ meye.params.subsample = 1;
+ } else {
+ f->fmt.pix.width = 640;
+ f->fmt.pix.height = 480;
+ meye.params.subsample = 0;
+ }
+
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_YUYV:
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
+ break;
+ case V4L2_PIX_FMT_MJPEG:
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
+ break;
+ }
+
+ mutex_unlock(&meye.lock);
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = 0;
+
+ return 0;
+}
+
+static int vidioc_reqbufs(struct file *file, void *fh,
+ struct v4l2_requestbuffers *req)
+{
+ int i;
+
+ if (req->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (meye.grab_fbuffer && req->count == gbuffers) {
+ /* already allocated, no modifications */
+ return 0;
+ }
+
+ mutex_lock(&meye.lock);
+ if (meye.grab_fbuffer) {
+ for (i = 0; i < gbuffers; i++)
+ if (meye.vma_use_count[i]) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ rvfree(meye.grab_fbuffer, gbuffers * gbufsize);
+ meye.grab_fbuffer = NULL;
+ }
+
+ gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS));
+ req->count = gbuffers;
+ meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize);
+
+ if (!meye.grab_fbuffer) {
+ printk(KERN_ERR "meye: v4l framebuffer allocation"
+ " failed\n");
+ mutex_unlock(&meye.lock);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < gbuffers; i++)
+ meye.vma_use_count[i] = 0;
+
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ unsigned int index = buf->index;
+
+ if (index >= gbuffers)
+ return -EINVAL;
+
+ buf->bytesused = meye.grab_buffer[index].size;
+ buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+
+ if (meye.grab_buffer[index].state == MEYE_BUF_USING)
+ buf->flags |= V4L2_BUF_FLAG_QUEUED;
+
+ if (meye.grab_buffer[index].state == MEYE_BUF_DONE)
+ buf->flags |= V4L2_BUF_FLAG_DONE;
+
+ buf->field = V4L2_FIELD_NONE;
+ buf->timestamp = meye.grab_buffer[index].timestamp;
+ buf->sequence = meye.grab_buffer[index].sequence;
+ buf->memory = V4L2_MEMORY_MMAP;
+ buf->m.offset = index * gbufsize;
+ buf->length = gbufsize;
+
+ return 0;
+}
+
+static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ if (buf->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (buf->index >= gbuffers)
+ return -EINVAL;
+
+ if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+ buf->flags |= V4L2_BUF_FLAG_QUEUED;
+ buf->flags &= ~V4L2_BUF_FLAG_DONE;
+ meye.grab_buffer[buf->index].state = MEYE_BUF_USING;
+ kfifo_in_locked(&meye.grabq, (unsigned char *)&buf->index,
+ sizeof(int), &meye.grabq_lock);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ int reqnr;
+
+ if (buf->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+
+ if (kfifo_len(&meye.doneq) == 0 && file->f_flags & O_NONBLOCK) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+
+ if (wait_event_interruptible(meye.proc_list,
+ kfifo_len(&meye.doneq) != 0) < 0) {
+ mutex_unlock(&meye.lock);
+ return -EINTR;
+ }
+
+ if (!kfifo_out_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock)) {
+ mutex_unlock(&meye.lock);
+ return -EBUSY;
+ }
+
+ if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+
+ buf->index = reqnr;
+ buf->bytesused = meye.grab_buffer[reqnr].size;
+ buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ buf->field = V4L2_FIELD_NONE;
+ buf->timestamp = meye.grab_buffer[reqnr].timestamp;
+ buf->sequence = meye.grab_buffer[reqnr].sequence;
+ buf->memory = V4L2_MEMORY_MMAP;
+ buf->m.offset = reqnr * gbufsize;
+ buf->length = gbufsize;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED;
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i)
+{
+ mutex_lock(&meye.lock);
+
+ switch (meye.mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ mchip_continuous_start();
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ mchip_cont_compression_start();
+ break;
+ default:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
+{
+ mutex_lock(&meye.lock);
+ mchip_hic_stop();
+ kfifo_reset(&meye.grabq);
+ kfifo_reset(&meye.doneq);
+
+ for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
+ meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
+
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static long vidioc_default(struct file *file, void *fh, bool valid_prio,
+ unsigned int cmd, void *arg)
+{
+ switch (cmd) {
+ case MEYEIOC_G_PARAMS:
+ return meyeioc_g_params((struct meye_params *) arg);
+
+ case MEYEIOC_S_PARAMS:
+ return meyeioc_s_params((struct meye_params *) arg);
+
+ case MEYEIOC_QBUF_CAPT:
+ return meyeioc_qbuf_capt((int *) arg);
+
+ case MEYEIOC_SYNC:
+ return meyeioc_sync(file, fh, (int *) arg);
+
+ case MEYEIOC_STILLCAPT:
+ return meyeioc_stillcapt();
+
+ case MEYEIOC_STILLJCAPT:
+ return meyeioc_stilljcapt((int *) arg);
+
+ default:
+ return -ENOTTY;
+ }
+
+}
+
+static unsigned int meye_poll(struct file *file, poll_table *wait)
+{
+ unsigned int res = v4l2_ctrl_poll(file, wait);
+
+ mutex_lock(&meye.lock);
+ poll_wait(file, &meye.proc_list, wait);
+ if (kfifo_len(&meye.doneq))
+ res |= POLLIN | POLLRDNORM;
+ mutex_unlock(&meye.lock);
+ return res;
+}
+
+static void meye_vm_open(struct vm_area_struct *vma)
+{
+ long idx = (long)vma->vm_private_data;
+ meye.vma_use_count[idx]++;
+}
+
+static void meye_vm_close(struct vm_area_struct *vma)
+{
+ long idx = (long)vma->vm_private_data;
+ meye.vma_use_count[idx]--;
+}
+
+static const struct vm_operations_struct meye_vm_ops = {
+ .open = meye_vm_open,
+ .close = meye_vm_close,
+};
+
+static int meye_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ unsigned long start = vma->vm_start;
+ unsigned long size = vma->vm_end - vma->vm_start;
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+ unsigned long page, pos;
+
+ mutex_lock(&meye.lock);
+ if (size > gbuffers * gbufsize) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ if (!meye.grab_fbuffer) {
+ int i;
+
+ /* lazy allocation */
+ meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize);
+ if (!meye.grab_fbuffer) {
+ printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
+ mutex_unlock(&meye.lock);
+ return -ENOMEM;
+ }
+ for (i = 0; i < gbuffers; i++)
+ meye.vma_use_count[i] = 0;
+ }
+ pos = (unsigned long)meye.grab_fbuffer + offset;
+
+ while (size > 0) {
+ page = vmalloc_to_pfn((void *)pos);
+ if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+ start += PAGE_SIZE;
+ pos += PAGE_SIZE;
+ if (size > PAGE_SIZE)
+ size -= PAGE_SIZE;
+ else
+ size = 0;
+ }
+
+ vma->vm_ops = &meye_vm_ops;
+ vma->vm_flags &= ~VM_IO; /* not I/O memory */
+ vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+ vma->vm_private_data = (void *) (offset / gbufsize);
+ meye_vm_open(vma);
+
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static const struct v4l2_file_operations meye_fops = {
+ .owner = THIS_MODULE,
+ .open = meye_open,
+ .release = meye_release,
+ .mmap = meye_mmap,
+ .unlocked_ioctl = video_ioctl2,
+ .poll = meye_poll,
+};
+
+static const struct v4l2_ioctl_ops meye_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+ .vidioc_default = vidioc_default,
+};
+
+static struct video_device meye_template = {
+ .name = "meye",
+ .fops = &meye_fops,
+ .ioctl_ops = &meye_ioctl_ops,
+ .release = video_device_release_empty,
+};
+
+static const struct v4l2_ctrl_ops meye_ctrl_ops = {
+ .s_ctrl = meye_s_ctrl,
+};
+
+#ifdef CONFIG_PM
+static int meye_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ pci_save_state(pdev);
+ meye.pm_mchip_mode = meye.mchip_mode;
+ mchip_hic_stop();
+ mchip_set(MCHIP_MM_INTA, 0x0);
+ return 0;
+}
+
+static int meye_resume(struct pci_dev *pdev)
+{
+ pci_restore_state(pdev);
+ pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+ msleep(1);
+ mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
+ msleep(1);
+ mchip_set(MCHIP_MM_PCI_MODE, 5);
+ msleep(1);
+ mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
+
+ switch (meye.pm_mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ mchip_continuous_start();
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ mchip_cont_compression_start();
+ break;
+ }
+ return 0;
+}
+#endif
+
+static int meye_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
+{
+ static const struct v4l2_ctrl_config ctrl_agc = {
+ .id = V4L2_CID_MEYE_AGC,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .ops = &meye_ctrl_ops,
+ .name = "AGC",
+ .max = 63,
+ .step = 1,
+ .def = 48,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
+ };
+ static const struct v4l2_ctrl_config ctrl_picture = {
+ .id = V4L2_CID_MEYE_PICTURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .ops = &meye_ctrl_ops,
+ .name = "Picture",
+ .max = 63,
+ .step = 1,
+ };
+ static const struct v4l2_ctrl_config ctrl_framerate = {
+ .id = V4L2_CID_MEYE_FRAMERATE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .ops = &meye_ctrl_ops,
+ .name = "Framerate",
+ .max = 31,
+ .step = 1,
+ };
+ struct v4l2_device *v4l2_dev = &meye.v4l2_dev;
+ int ret = -EBUSY;
+ unsigned long mchip_adr;
+
+ if (meye.mchip_dev != NULL) {
+ printk(KERN_ERR "meye: only one device allowed!\n");
+ return ret;
+ }
+
+ ret = v4l2_device_register(&pcidev->dev, v4l2_dev);
+ if (ret < 0) {
+ v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+ return ret;
+ }
+ ret = -ENOMEM;
+ meye.mchip_dev = pcidev;
+
+ meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE);
+ if (!meye.grab_temp) {
+ v4l2_err(v4l2_dev, "grab buffer allocation failed\n");
+ goto outvmalloc;
+ }
+
+ spin_lock_init(&meye.grabq_lock);
+ if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS,
+ GFP_KERNEL)) {
+ v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ goto outkfifoalloc1;
+ }
+ spin_lock_init(&meye.doneq_lock);
+ if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS,
+ GFP_KERNEL)) {
+ v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ goto outkfifoalloc2;
+ }
+
+ meye.vdev = meye_template;
+ meye.vdev.v4l2_dev = &meye.v4l2_dev;
+
+ ret = -EIO;
+ if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) {
+ v4l2_err(v4l2_dev, "meye: unable to power on the camera\n");
+ v4l2_err(v4l2_dev, "meye: did you enable the camera in "
+ "sonypi using the module options ?\n");
+ goto outsonypienable;
+ }
+
+ if ((ret = pci_enable_device(meye.mchip_dev))) {
+ v4l2_err(v4l2_dev, "meye: pci_enable_device failed\n");
+ goto outenabledev;
+ }
+
+ mchip_adr = pci_resource_start(meye.mchip_dev,0);
+ if (!mchip_adr) {
+ v4l2_err(v4l2_dev, "meye: mchip has no device base address\n");
+ goto outregions;
+ }
+ if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0),
+ "meye")) {
+ v4l2_err(v4l2_dev, "meye: request_mem_region failed\n");
+ goto outregions;
+ }
+ meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS);
+ if (!meye.mchip_mmregs) {
+ v4l2_err(v4l2_dev, "meye: ioremap failed\n");
+ goto outremap;
+ }
+
+ meye.mchip_irq = pcidev->irq;
+ if (request_irq(meye.mchip_irq, meye_irq,
+ IRQF_SHARED, "meye", meye_irq)) {
+ v4l2_err(v4l2_dev, "request_irq failed\n");
+ goto outreqirq;
+ }
+
+ pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8);
+ pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64);
+
+ pci_set_master(meye.mchip_dev);
+
+ /* Ask the camera to perform a soft reset. */
+ pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+
+ msleep(1);
+ mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
+
+ msleep(1);
+ mchip_set(MCHIP_MM_PCI_MODE, 5);
+
+ msleep(1);
+ mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
+
+ mutex_init(&meye.lock);
+ init_waitqueue_head(&meye.proc_list);
+
+ v4l2_ctrl_handler_init(&meye.hdl, 3);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 63, 1, 32);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_HUE, 0, 63, 1, 32);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 63, 1, 32);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 63, 1, 32);
+ v4l2_ctrl_new_custom(&meye.hdl, &ctrl_agc, NULL);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 63, 1, 32);
+ v4l2_ctrl_new_custom(&meye.hdl, &ctrl_picture, NULL);
+ v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY, 0, 10, 1, 8);
+ v4l2_ctrl_new_custom(&meye.hdl, &ctrl_framerate, NULL);
+ if (meye.hdl.error) {
+ v4l2_err(v4l2_dev, "couldn't register controls\n");
+ goto outvideoreg;
+ }
+
+ v4l2_ctrl_handler_setup(&meye.hdl);
+ meye.vdev.ctrl_handler = &meye.hdl;
+
+ if (video_register_device(&meye.vdev, VFL_TYPE_GRABBER,
+ video_nr) < 0) {
+ v4l2_err(v4l2_dev, "video_register_device failed\n");
+ goto outvideoreg;
+ }
+
+ v4l2_info(v4l2_dev, "Motion Eye Camera Driver v%s.\n",
+ MEYE_DRIVER_VERSION);
+ v4l2_info(v4l2_dev, "mchip KL5A72002 rev. %d, base %lx, irq %d\n",
+ meye.mchip_dev->revision, mchip_adr, meye.mchip_irq);
+
+ return 0;
+
+outvideoreg:
+ v4l2_ctrl_handler_free(&meye.hdl);
+ free_irq(meye.mchip_irq, meye_irq);
+outreqirq:
+ iounmap(meye.mchip_mmregs);
+outremap:
+ release_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0));
+outregions:
+ pci_disable_device(meye.mchip_dev);
+outenabledev:
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
+outsonypienable:
+ kfifo_free(&meye.doneq);
+outkfifoalloc2:
+ kfifo_free(&meye.grabq);
+outkfifoalloc1:
+ vfree(meye.grab_temp);
+outvmalloc:
+ return ret;
+}
+
+static void meye_remove(struct pci_dev *pcidev)
+{
+ video_unregister_device(&meye.vdev);
+
+ mchip_hic_stop();
+
+ mchip_dma_free();
+
+ /* disable interrupts */
+ mchip_set(MCHIP_MM_INTA, 0x0);
+
+ free_irq(meye.mchip_irq, meye_irq);
+
+ iounmap(meye.mchip_mmregs);
+
+ release_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0));
+
+ pci_disable_device(meye.mchip_dev);
+
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
+
+ kfifo_free(&meye.doneq);
+ kfifo_free(&meye.grabq);
+
+ vfree(meye.grab_temp);
+
+ if (meye.grab_fbuffer) {
+ rvfree(meye.grab_fbuffer, gbuffers*gbufsize);
+ meye.grab_fbuffer = NULL;
+ }
+
+ printk(KERN_INFO "meye: removed\n");
+}
+
+static struct pci_device_id meye_pci_tbl[] = {
+ { PCI_VDEVICE(KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002), 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(pci, meye_pci_tbl);
+
+static struct pci_driver meye_driver = {
+ .name = "meye",
+ .id_table = meye_pci_tbl,
+ .probe = meye_probe,
+ .remove = meye_remove,
+#ifdef CONFIG_PM
+ .suspend = meye_suspend,
+ .resume = meye_resume,
+#endif
+};
+
+static int __init meye_init(void)
+{
+ gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS));
+ if (gbufsize > MEYE_MAX_BUFSIZE)
+ gbufsize = MEYE_MAX_BUFSIZE;
+ gbufsize = PAGE_ALIGN(gbufsize);
+ printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) "
+ "for capture\n",
+ gbuffers,
+ gbufsize / 1024, gbuffers * gbufsize / 1024);
+ return pci_register_driver(&meye_driver);
+}
+
+static void __exit meye_exit(void)
+{
+ pci_unregister_driver(&meye_driver);
+}
+
+module_init(meye_init);
+module_exit(meye_exit);
Code Review / kvmfornfv.git / blobdiff