| /* |
| * Motion Eye video4linux driver for Sony Vaio PictureBook |
| * |
| * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net> |
| * |
| * Copyright (C) 2001-2002 AlcĂ´ve <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. |
| */ |
| #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 <linux/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) |
| { |
| return mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); |
| } |
| |
| /* 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 const 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) |
| goto outvmalloc; |
| |
| spin_lock_init(&meye.grabq_lock); |
| if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS, |
| GFP_KERNEL)) |
| goto outkfifoalloc1; |
| |
| spin_lock_init(&meye.doneq_lock); |
| if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS, |
| GFP_KERNEL)) |
| goto outkfifoalloc2; |
| |
| meye.vdev = meye_template; |
| meye.vdev.v4l2_dev = &meye.v4l2_dev; |
| |
| ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1); |
| if (ret) { |
| 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; |
| } |
| |
| ret = pci_enable_device(meye.mchip_dev); |
| if (ret) { |
| v4l2_err(v4l2_dev, "meye: pci_enable_device failed\n"); |
| goto outenabledev; |
| } |
| |
| ret = -EIO; |
| 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 const 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); |