From: Mauro Carvalho Chehab Date: Tue, 14 Aug 2012 17:50:53 +0000 (-0300) Subject: [media] move the remaining PCI devices to drivers/media/pci X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e5cdf69d36f667d9840ce050abbe4a95c2a6b536;p=openwrt%2Fstaging%2Fblogic.git [media] move the remaining PCI devices to drivers/media/pci Move meye and sta2x11_vip into the drivers/media/pci subdirs. Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/Kconfig b/drivers/media/pci/Kconfig index e1a9e1afd72c..4243d5d38c0a 100644 --- a/drivers/media/pci/Kconfig +++ b/drivers/media/pci/Kconfig @@ -5,6 +5,12 @@ menu "Media PCI Adapters" visible if PCI && MEDIA_SUPPORT +if MEDIA_CAMERA_SUPPORT + comment "Media capture support" +source "drivers/media/pci/meye/Kconfig" +source "drivers/media/pci/sta2x11/Kconfig" +endif + if MEDIA_ANALOG_TV_SUPPORT comment "Media capture/analog TV support" source "drivers/media/pci/ivtv/Kconfig" diff --git a/drivers/media/pci/Makefile b/drivers/media/pci/Makefile index bb71e30b9d25..c8dc6c775303 100644 --- a/drivers/media/pci/Makefile +++ b/drivers/media/pci/Makefile @@ -22,3 +22,5 @@ obj-$(CONFIG_VIDEO_CX88) += cx88/ obj-$(CONFIG_VIDEO_BT848) += bt8xx/ obj-$(CONFIG_VIDEO_SAA7134) += saa7134/ obj-$(CONFIG_VIDEO_SAA7164) += saa7164/ +obj-$(CONFIG_VIDEO_MEYE) += meye/ +obj-$(CONFIG_STA2X11_VIP) += sta2x11/ diff --git a/drivers/media/pci/meye/Kconfig b/drivers/media/pci/meye/Kconfig new file mode 100644 index 000000000000..b4bf848be5a0 --- /dev/null +++ b/drivers/media/pci/meye/Kconfig @@ -0,0 +1,13 @@ +config VIDEO_MEYE + tristate "Sony Vaio Picturebook Motion Eye Video For Linux" + depends on PCI && SONY_LAPTOP && VIDEO_V4L2 + ---help--- + This is the video4linux driver for the Motion Eye camera found + in the Vaio Picturebook laptops. Please read the material in + for more information. + + If you say Y or M here, you need to say Y or M to "Sony Laptop + Extras" in the misc device section. + + To compile this driver as a module, choose M here: the + module will be called meye. diff --git a/drivers/media/pci/meye/Makefile b/drivers/media/pci/meye/Makefile new file mode 100644 index 000000000000..49388518cd01 --- /dev/null +++ b/drivers/media/pci/meye/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_VIDEO_MEYE) += meye.o diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c new file mode 100644 index 000000000000..7bc775219f97 --- /dev/null +++ b/drivers/media/pci/meye/meye.c @@ -0,0 +1,1964 @@ +/* + * Motion Eye video4linux driver for Sony Vaio PictureBook + * + * Copyright (C) 2001-2004 Stelian Pop + * + * Copyright (C) 2001-2002 Alcôve + * + * Copyright (C) 2000 Andrew Tridgell + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "meye.h" +#include + +MODULE_AUTHOR("Stelian Pop "); +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; + do_gettimeofday(&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; + do_gettimeofday(&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 0; +} + +static int meye_release(struct file *file) +{ + mchip_hic_stop(); + mchip_dma_free(); + clear_bit(0, &meye.in_use); + return 0; +} + +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->version = (MEYE_DRIVER_MAJORVERSION << 8) + + MEYE_DRIVER_MINORVERSION; + + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_STREAMING; + + 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 vidioc_queryctrl(struct file *file, void *fh, + struct v4l2_queryctrl *c) +{ + switch (c->id) { + + case V4L2_CID_BRIGHTNESS: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Brightness"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 32; + c->flags = 0; + break; + case V4L2_CID_HUE: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Hue"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 32; + c->flags = 0; + break; + case V4L2_CID_CONTRAST: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Contrast"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 32; + c->flags = 0; + break; + case V4L2_CID_SATURATION: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Saturation"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 32; + c->flags = 0; + break; + case V4L2_CID_AGC: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Agc"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 48; + c->flags = 0; + break; + case V4L2_CID_MEYE_SHARPNESS: + case V4L2_CID_SHARPNESS: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Sharpness"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 32; + + /* Continue to report legacy private SHARPNESS ctrl but + * say it is disabled in preference to ctrl in the spec + */ + c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 : + V4L2_CTRL_FLAG_DISABLED; + break; + case V4L2_CID_PICTURE: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Picture"); + c->minimum = 0; + c->maximum = 63; + c->step = 1; + c->default_value = 0; + c->flags = 0; + break; + case V4L2_CID_JPEGQUAL: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "JPEG quality"); + c->minimum = 0; + c->maximum = 10; + c->step = 1; + c->default_value = 8; + c->flags = 0; + break; + case V4L2_CID_FRAMERATE: + c->type = V4L2_CTRL_TYPE_INTEGER; + strcpy(c->name, "Framerate"); + c->minimum = 0; + c->maximum = 31; + c->step = 1; + c->default_value = 0; + c->flags = 0; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) +{ + mutex_lock(&meye.lock); + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); + meye.brightness = c->value << 10; + break; + case V4L2_CID_HUE: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERAHUE, c->value); + meye.hue = c->value << 10; + break; + case V4L2_CID_CONTRAST: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); + meye.contrast = c->value << 10; + break; + case V4L2_CID_SATURATION: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); + meye.colour = c->value << 10; + break; + case V4L2_CID_AGC: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERAAGC, c->value); + meye.params.agc = c->value; + break; + case V4L2_CID_SHARPNESS: + case V4L2_CID_MEYE_SHARPNESS: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); + meye.params.sharpness = c->value; + break; + case V4L2_CID_PICTURE: + sony_pic_camera_command( + SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); + meye.params.picture = c->value; + break; + case V4L2_CID_JPEGQUAL: + meye.params.quality = c->value; + break; + case V4L2_CID_FRAMERATE: + meye.params.framerate = c->value; + break; + default: + mutex_unlock(&meye.lock); + return -EINVAL; + } + mutex_unlock(&meye.lock); + + return 0; +} + +static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) +{ + mutex_lock(&meye.lock); + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + c->value = meye.brightness >> 10; + break; + case V4L2_CID_HUE: + c->value = meye.hue >> 10; + break; + case V4L2_CID_CONTRAST: + c->value = meye.contrast >> 10; + break; + case V4L2_CID_SATURATION: + c->value = meye.colour >> 10; + break; + case V4L2_CID_AGC: + c->value = meye.params.agc; + break; + case V4L2_CID_SHARPNESS: + case V4L2_CID_MEYE_SHARPNESS: + c->value = meye.params.sharpness; + break; + case V4L2_CID_PICTURE: + c->value = meye.params.picture; + break; + case V4L2_CID_JPEGQUAL: + c->value = meye.params.quality; + break; + case V4L2_CID_FRAMERATE: + c->value = meye.params.framerate; + 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; + f->fmt.pix.priv = 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; + f->fmt.pix.priv = 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; + + 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; + 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, + 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 = 0; + + 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_RESERVED; /* avoid to swap out this VMA */ + 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_queryctrl = vidioc_queryctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .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_default = vidioc_default, +}; + +static struct video_device meye_template = { + .name = "meye", + .fops = &meye_fops, + .ioctl_ops = &meye_ioctl_ops, + .release = video_device_release, +}; + +#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 __devinit meye_probe(struct pci_dev *pcidev, + const struct pci_device_id *ent) +{ + 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"); + goto outnotdev; + } + + 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.vdev = video_device_alloc(); + if (!meye.vdev) { + v4l2_err(v4l2_dev, "video_device_alloc() failed!\n"); + goto outnotdev; + } + + 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; + } + + memcpy(meye.vdev, &meye_template, sizeof(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_DISABLED | 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); + meye.brightness = 32 << 10; + meye.hue = 32 << 10; + meye.colour = 32 << 10; + meye.contrast = 32 << 10; + meye.params.subsample = 0; + meye.params.quality = 8; + meye.params.sharpness = 32; + meye.params.agc = 48; + meye.params.picture = 0; + meye.params.framerate = 0; + + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); + sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); + + 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: + 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: + video_device_release(meye.vdev); +outnotdev: + return ret; +} + +static void __devexit 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 = __devexit_p(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 < 0 || 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); diff --git a/drivers/media/pci/meye/meye.h b/drivers/media/pci/meye/meye.h new file mode 100644 index 000000000000..4bdeb03f1644 --- /dev/null +++ b/drivers/media/pci/meye/meye.h @@ -0,0 +1,324 @@ +/* + * Motion Eye video4linux driver for Sony Vaio PictureBook + * + * Copyright (C) 2001-2004 Stelian Pop + * + * Copyright (C) 2001-2002 Alcôve + * + * Copyright (C) 2000 Andrew Tridgell + * + * 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. + */ + +#ifndef _MEYE_PRIV_H_ +#define _MEYE_PRIV_H_ + +#define MEYE_DRIVER_MAJORVERSION 1 +#define MEYE_DRIVER_MINORVERSION 14 + +#define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \ + __stringify(MEYE_DRIVER_MINORVERSION) + +#include +#include +#include + +/****************************************************************************/ +/* Motion JPEG chip registers */ +/****************************************************************************/ + +/* Motion JPEG chip PCI configuration registers */ +#define MCHIP_PCI_POWER_CSR 0x54 +#define MCHIP_PCI_MCORE_STATUS 0x60 /* see HIC_STATUS */ +#define MCHIP_PCI_HOSTUSEREQ_SET 0x64 +#define MCHIP_PCI_HOSTUSEREQ_CLR 0x68 +#define MCHIP_PCI_LOWPOWER_SET 0x6c +#define MCHIP_PCI_LOWPOWER_CLR 0x70 +#define MCHIP_PCI_SOFTRESET_SET 0x74 + +/* Motion JPEG chip memory mapped registers */ +#define MCHIP_MM_REGS 0x200 /* 512 bytes */ +#define MCHIP_REG_TIMEOUT 1000 /* reg access, ~us */ +#define MCHIP_MCC_VRJ_TIMEOUT 1000 /* MCC & VRJ access */ + +#define MCHIP_MM_PCI_MODE 0x00 /* PCI access mode */ +#define MCHIP_MM_PCI_MODE_RETRY 0x00000001 /* retry mode */ +#define MCHIP_MM_PCI_MODE_MASTER 0x00000002 /* master access */ +#define MCHIP_MM_PCI_MODE_READ_LINE 0x00000004 /* read line */ + +#define MCHIP_MM_INTA 0x04 /* Int status/mask */ +#define MCHIP_MM_INTA_MCC 0x00000001 /* MCC interrupt */ +#define MCHIP_MM_INTA_VRJ 0x00000002 /* VRJ interrupt */ +#define MCHIP_MM_INTA_HIC_1 0x00000004 /* one frame done */ +#define MCHIP_MM_INTA_HIC_1_MASK 0x00000400 /* 1: enable */ +#define MCHIP_MM_INTA_HIC_END 0x00000008 /* all frames done */ +#define MCHIP_MM_INTA_HIC_END_MASK 0x00000800 +#define MCHIP_MM_INTA_JPEG 0x00000010 /* decompress. error */ +#define MCHIP_MM_INTA_JPEG_MASK 0x00001000 +#define MCHIP_MM_INTA_CAPTURE 0x00000020 /* capture end */ +#define MCHIP_MM_INTA_PCI_ERR 0x00000040 /* PCI error */ +#define MCHIP_MM_INTA_PCI_ERR_MASK 0x00004000 + +#define MCHIP_MM_PT_ADDR 0x08 /* page table address*/ + /* n*4kB */ +#define MCHIP_NB_PAGES 1024 /* pages for display */ +#define MCHIP_NB_PAGES_MJPEG 256 /* pages for mjpeg */ + +#define MCHIP_MM_FIR(n) (0x0c+(n)*4) /* Frame info 0-3 */ +#define MCHIP_MM_FIR_RDY 0x00000001 /* frame ready */ +#define MCHIP_MM_FIR_FAILFR_MASK 0xf8000000 /* # of failed frames */ +#define MCHIP_MM_FIR_FAILFR_SHIFT 27 + + /* continuous comp/decomp mode */ +#define MCHIP_MM_FIR_C_ENDL_MASK 0x000007fe /* end DW [10] */ +#define MCHIP_MM_FIR_C_ENDL_SHIFT 1 +#define MCHIP_MM_FIR_C_ENDP_MASK 0x0007f800 /* end page [8] */ +#define MCHIP_MM_FIR_C_ENDP_SHIFT 11 +#define MCHIP_MM_FIR_C_STARTP_MASK 0x07f80000 /* start page [8] */ +#define MCHIP_MM_FIR_C_STARTP_SHIFT 19 + + /* continuous picture output mode */ +#define MCHIP_MM_FIR_O_STARTP_MASK 0x7ffe0000 /* start page [10] */ +#define MCHIP_MM_FIR_O_STARTP_SHIFT 17 + +#define MCHIP_MM_FIFO_DATA 0x1c /* PCI TGT FIFO data */ +#define MCHIP_MM_FIFO_STATUS 0x20 /* PCI TGT FIFO stat */ +#define MCHIP_MM_FIFO_MASK 0x00000003 +#define MCHIP_MM_FIFO_WAIT_OR_READY 0x00000002 /* Bits common to WAIT & READY*/ +#define MCHIP_MM_FIFO_IDLE 0x0 /* HIC idle */ +#define MCHIP_MM_FIFO_IDLE1 0x1 /* idem ??? */ +#define MCHIP_MM_FIFO_WAIT 0x2 /* wait request */ +#define MCHIP_MM_FIFO_READY 0x3 /* data ready */ + +#define MCHIP_HIC_HOST_USEREQ 0x40 /* host uses MCORE */ + +#define MCHIP_HIC_TP_BUSY 0x44 /* taking picture */ + +#define MCHIP_HIC_PIC_SAVED 0x48 /* pic in SDRAM */ + +#define MCHIP_HIC_LOWPOWER 0x4c /* clock stopped */ + +#define MCHIP_HIC_CTL 0x50 /* HIC control */ +#define MCHIP_HIC_CTL_SOFT_RESET 0x00000001 /* MCORE reset */ +#define MCHIP_HIC_CTL_MCORE_RDY 0x00000002 /* MCORE ready */ + +#define MCHIP_HIC_CMD 0x54 /* HIC command */ +#define MCHIP_HIC_CMD_BITS 0x00000003 /* cmd width=[1:0]*/ +#define MCHIP_HIC_CMD_NOOP 0x0 +#define MCHIP_HIC_CMD_START 0x1 +#define MCHIP_HIC_CMD_STOP 0x2 + +#define MCHIP_HIC_MODE 0x58 +#define MCHIP_HIC_MODE_NOOP 0x0 +#define MCHIP_HIC_MODE_STILL_CAP 0x1 /* still pic capt */ +#define MCHIP_HIC_MODE_DISPLAY 0x2 /* display */ +#define MCHIP_HIC_MODE_STILL_COMP 0x3 /* still pic comp. */ +#define MCHIP_HIC_MODE_STILL_DECOMP 0x4 /* still pic decomp. */ +#define MCHIP_HIC_MODE_CONT_COMP 0x5 /* cont capt+comp */ +#define MCHIP_HIC_MODE_CONT_DECOMP 0x6 /* cont decomp+disp */ +#define MCHIP_HIC_MODE_STILL_OUT 0x7 /* still pic output */ +#define MCHIP_HIC_MODE_CONT_OUT 0x8 /* cont output */ + +#define MCHIP_HIC_STATUS 0x5c +#define MCHIP_HIC_STATUS_MCC_RDY 0x00000001 /* MCC reg acc ok */ +#define MCHIP_HIC_STATUS_VRJ_RDY 0x00000002 /* VRJ reg acc ok */ +#define MCHIP_HIC_STATUS_IDLE 0x00000003 +#define MCHIP_HIC_STATUS_CAPDIS 0x00000004 /* cap/disp in prog */ +#define MCHIP_HIC_STATUS_COMPDEC 0x00000008 /* (de)comp in prog */ +#define MCHIP_HIC_STATUS_BUSY 0x00000010 /* HIC busy */ + +#define MCHIP_HIC_S_RATE 0x60 /* MJPEG # frames */ + +#define MCHIP_HIC_PCI_VFMT 0x64 /* video format */ +#define MCHIP_HIC_PCI_VFMT_YVYU 0x00000001 /* 0: V Y' U Y */ + /* 1: Y' V Y U */ + +#define MCHIP_MCC_CMD 0x80 /* MCC commands */ +#define MCHIP_MCC_CMD_INITIAL 0x0 /* idle ? */ +#define MCHIP_MCC_CMD_IIC_START_SET 0x1 +#define MCHIP_MCC_CMD_IIC_END_SET 0x2 +#define MCHIP_MCC_CMD_FM_WRITE 0x3 /* frame memory */ +#define MCHIP_MCC_CMD_FM_READ 0x4 +#define MCHIP_MCC_CMD_FM_STOP 0x5 +#define MCHIP_MCC_CMD_CAPTURE 0x6 +#define MCHIP_MCC_CMD_DISPLAY 0x7 +#define MCHIP_MCC_CMD_END_DISP 0x8 +#define MCHIP_MCC_CMD_STILL_COMP 0x9 +#define MCHIP_MCC_CMD_STILL_DECOMP 0xa +#define MCHIP_MCC_CMD_STILL_OUTPUT 0xb +#define MCHIP_MCC_CMD_CONT_OUTPUT 0xc +#define MCHIP_MCC_CMD_CONT_COMP 0xd +#define MCHIP_MCC_CMD_CONT_DECOMP 0xe +#define MCHIP_MCC_CMD_RESET 0xf /* MCC reset */ + +#define MCHIP_MCC_IIC_WR 0x84 + +#define MCHIP_MCC_MCC_WR 0x88 + +#define MCHIP_MCC_MCC_RD 0x8c + +#define MCHIP_MCC_STATUS 0x90 +#define MCHIP_MCC_STATUS_CAPT 0x00000001 /* capturing */ +#define MCHIP_MCC_STATUS_DISP 0x00000002 /* displaying */ +#define MCHIP_MCC_STATUS_COMP 0x00000004 /* compressing */ +#define MCHIP_MCC_STATUS_DECOMP 0x00000008 /* decompressing */ +#define MCHIP_MCC_STATUS_MCC_WR 0x00000010 /* register ready */ +#define MCHIP_MCC_STATUS_MCC_RD 0x00000020 /* register ready */ +#define MCHIP_MCC_STATUS_IIC_WR 0x00000040 /* register ready */ +#define MCHIP_MCC_STATUS_OUTPUT 0x00000080 /* output in prog */ + +#define MCHIP_MCC_SIG_POLARITY 0x94 +#define MCHIP_MCC_SIG_POL_VS_H 0x00000001 /* VS active-high */ +#define MCHIP_MCC_SIG_POL_HS_H 0x00000002 /* HS active-high */ +#define MCHIP_MCC_SIG_POL_DOE_H 0x00000004 /* DOE active-high */ + +#define MCHIP_MCC_IRQ 0x98 +#define MCHIP_MCC_IRQ_CAPDIS_STRT 0x00000001 /* cap/disp started */ +#define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK 0x00000010 +#define MCHIP_MCC_IRQ_CAPDIS_END 0x00000002 /* cap/disp ended */ +#define MCHIP_MCC_IRQ_CAPDIS_END_MASK 0x00000020 +#define MCHIP_MCC_IRQ_COMPDEC_STRT 0x00000004 /* (de)comp started */ +#define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK 0x00000040 +#define MCHIP_MCC_IRQ_COMPDEC_END 0x00000008 /* (de)comp ended */ +#define MCHIP_MCC_IRQ_COMPDEC_END_MASK 0x00000080 + +#define MCHIP_MCC_HSTART 0x9c /* video in */ +#define MCHIP_MCC_VSTART 0xa0 +#define MCHIP_MCC_HCOUNT 0xa4 +#define MCHIP_MCC_VCOUNT 0xa8 +#define MCHIP_MCC_R_XBASE 0xac /* capt/disp */ +#define MCHIP_MCC_R_YBASE 0xb0 +#define MCHIP_MCC_R_XRANGE 0xb4 +#define MCHIP_MCC_R_YRANGE 0xb8 +#define MCHIP_MCC_B_XBASE 0xbc /* comp/decomp */ +#define MCHIP_MCC_B_YBASE 0xc0 +#define MCHIP_MCC_B_XRANGE 0xc4 +#define MCHIP_MCC_B_YRANGE 0xc8 + +#define MCHIP_MCC_R_SAMPLING 0xcc /* 1: 1:4 */ + +#define MCHIP_VRJ_CMD 0x100 /* VRJ commands */ + +/* VRJ registers (see table 12.2.4) */ +#define MCHIP_VRJ_COMPRESSED_DATA 0x1b0 +#define MCHIP_VRJ_PIXEL_DATA 0x1b8 + +#define MCHIP_VRJ_BUS_MODE 0x100 +#define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL 0x108 +#define MCHIP_VRJ_PDAT_USE 0x110 +#define MCHIP_VRJ_MODE_SPECIFY 0x118 +#define MCHIP_VRJ_LIMIT_COMPRESSED_LO 0x120 +#define MCHIP_VRJ_LIMIT_COMPRESSED_HI 0x124 +#define MCHIP_VRJ_COMP_DATA_FORMAT 0x128 +#define MCHIP_VRJ_TABLE_DATA 0x140 +#define MCHIP_VRJ_RESTART_INTERVAL 0x148 +#define MCHIP_VRJ_NUM_LINES 0x150 +#define MCHIP_VRJ_NUM_PIXELS 0x158 +#define MCHIP_VRJ_NUM_COMPONENTS 0x160 +#define MCHIP_VRJ_SOF1 0x168 +#define MCHIP_VRJ_SOF2 0x170 +#define MCHIP_VRJ_SOF3 0x178 +#define MCHIP_VRJ_SOF4 0x180 +#define MCHIP_VRJ_SOS 0x188 +#define MCHIP_VRJ_SOFT_RESET 0x190 + +#define MCHIP_VRJ_STATUS 0x1c0 +#define MCHIP_VRJ_STATUS_BUSY 0x00001 +#define MCHIP_VRJ_STATUS_COMP_ACCESS 0x00002 +#define MCHIP_VRJ_STATUS_PIXEL_ACCESS 0x00004 +#define MCHIP_VRJ_STATUS_ERROR 0x00008 + +#define MCHIP_VRJ_IRQ_FLAG 0x1c8 +#define MCHIP_VRJ_ERROR_REPORT 0x1d8 + +#define MCHIP_VRJ_START_COMMAND 0x1a0 + +/****************************************************************************/ +/* Driver definitions. */ +/****************************************************************************/ + +/* Sony Programmable I/O Controller for accessing the camera commands */ +#include + +/* private API definitions */ +#include +#include + + +/* Enable jpg software correction */ +#define MEYE_JPEG_CORRECTION 1 + +/* Maximum size of a buffer */ +#define MEYE_MAX_BUFSIZE 614400 /* 640 * 480 * 2 */ + +/* Maximum number of buffers */ +#define MEYE_MAX_BUFNBRS 32 + +/* State of a buffer */ +#define MEYE_BUF_UNUSED 0 /* not used */ +#define MEYE_BUF_USING 1 /* currently grabbing / playing */ +#define MEYE_BUF_DONE 2 /* done */ + +/* grab buffer */ +struct meye_grab_buffer { + int state; /* state of buffer */ + unsigned long size; /* size of jpg frame */ + struct timeval timestamp; /* timestamp */ + unsigned long sequence; /* sequence number */ +}; + +/* size of kfifos containings buffer indices */ +#define MEYE_QUEUE_SIZE MEYE_MAX_BUFNBRS + +/* Motion Eye device structure */ +struct meye { + struct v4l2_device v4l2_dev; /* Main v4l2_device struct */ + struct pci_dev *mchip_dev; /* pci device */ + u8 mchip_irq; /* irq */ + u8 mchip_mode; /* actual mchip mode: HIC_MODE... */ + u8 mchip_fnum; /* current mchip frame number */ + unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */ + u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */ + void *mchip_ptable_toc; /* mchip: ptable toc */ + dma_addr_t mchip_dmahandle; /* mchip: dma handle to ptable toc */ + unsigned char *grab_fbuffer; /* capture framebuffer */ + unsigned char *grab_temp; /* temporary buffer */ + /* list of buffers */ + struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS]; + int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */ + struct mutex lock; /* mutex for open/mmap... */ + struct kfifo grabq; /* queue for buffers to be grabbed */ + spinlock_t grabq_lock; /* lock protecting the queue */ + struct kfifo doneq; /* queue for grabbed buffers */ + spinlock_t doneq_lock; /* lock protecting the queue */ + wait_queue_head_t proc_list; /* wait queue */ + struct video_device *vdev; /* video device parameters */ + u16 brightness; + u16 hue; + u16 contrast; + u16 colour; + struct meye_params params; /* additional parameters */ + unsigned long in_use; /* set to 1 if the device is in use */ +#ifdef CONFIG_PM + u8 pm_mchip_mode; /* old mchip mode */ +#endif +}; + +#endif diff --git a/drivers/media/pci/sta2x11/Kconfig b/drivers/media/pci/sta2x11/Kconfig new file mode 100644 index 000000000000..04a82cbd7c91 --- /dev/null +++ b/drivers/media/pci/sta2x11/Kconfig @@ -0,0 +1,12 @@ +config STA2X11_VIP + tristate "STA2X11 VIP Video For Linux" + depends on STA2X11 + select VIDEO_ADV7180 if VIDEO_HELPER_CHIPS_AUTO + select VIDEOBUF_DMA_CONTIG + depends on PCI && VIDEO_V4L2 && VIRT_TO_BUS + help + Say Y for support for STA2X11 VIP (Video Input Port) capture + device. + + To compile this driver as a module, choose M here: the + module will be called sta2x11_vip. diff --git a/drivers/media/pci/sta2x11/Makefile b/drivers/media/pci/sta2x11/Makefile new file mode 100644 index 000000000000..d6c471d1d1b4 --- /dev/null +++ b/drivers/media/pci/sta2x11/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_STA2X11_VIP) += sta2x11_vip.o diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c new file mode 100644 index 000000000000..4c10205264d4 --- /dev/null +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -0,0 +1,1550 @@ +/* + * This is the driver for the STA2x11 Video Input Port. + * + * Copyright (C) 2010 WindRiver Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Author: Andreas Kies + * Vlad Lungu + * + */ + +#include +#include +#include +#include +#include + +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sta2x11_vip.h" + +#define DRV_NAME "sta2x11_vip" +#define DRV_VERSION "1.3" + +#ifndef PCI_DEVICE_ID_STMICRO_VIP +#define PCI_DEVICE_ID_STMICRO_VIP 0xCC0D +#endif + +#define MAX_FRAMES 4 + +/*Register offsets*/ +#define DVP_CTL 0x00 +#define DVP_TFO 0x04 +#define DVP_TFS 0x08 +#define DVP_BFO 0x0C +#define DVP_BFS 0x10 +#define DVP_VTP 0x14 +#define DVP_VBP 0x18 +#define DVP_VMP 0x1C +#define DVP_ITM 0x98 +#define DVP_ITS 0x9C +#define DVP_STA 0xA0 +#define DVP_HLFLN 0xA8 +#define DVP_RGB 0xC0 +#define DVP_PKZ 0xF0 + +/*Register fields*/ +#define DVP_CTL_ENA 0x00000001 +#define DVP_CTL_RST 0x80000000 +#define DVP_CTL_DIS (~0x00040001) + +#define DVP_IT_VSB 0x00000008 +#define DVP_IT_VST 0x00000010 +#define DVP_IT_FIFO 0x00000020 + +#define DVP_HLFLN_SD 0x00000001 + +#define REG_WRITE(vip, reg, value) iowrite32((value), (vip->iomem)+(reg)) +#define REG_READ(vip, reg) ioread32((vip->iomem)+(reg)) + +#define SAVE_COUNT 8 +#define AUX_COUNT 3 +#define IRQ_COUNT 1 + +/** + * struct sta2x11_vip - All internal data for one instance of device + * @v4l2_dev: device registered in v4l layer + * @video_dev: properties of our device + * @pdev: PCI device + * @adapter: contains I2C adapter information + * @register_save_area: All relevant register are saved here during suspend + * @decoder: contains information about video DAC + * @format: pixel format, fixed UYVY + * @std: video standard (e.g. PAL/NTSC) + * @input: input line for video signal ( 0 or 1 ) + * @users: Number of open of device ( max. 1 ) + * @disabled: Device is in power down state + * @mutex: ensures exclusive opening of device + * @slock: for excluse acces of registers + * @vb_vidq: queue maintained by videobuf layer + * @capture: linked list of capture buffer + * @active: struct videobuf_buffer currently beingg filled + * @started: device is ready to capture frame + * @closing: device will be shut down + * @tcount: Number of top frames + * @bcount: Number of bottom frames + * @overflow: Number of FIFO overflows + * @mem_spare: small buffer of unused frame + * @dma_spare: dma addres of mem_spare + * @iomem: hardware base address + * @config: I2C and gpio config from platform + * + * All non-local data is accessed via this structure. + */ + +struct sta2x11_vip { + struct v4l2_device v4l2_dev; + struct video_device *video_dev; + struct pci_dev *pdev; + struct i2c_adapter *adapter; + unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT]; + struct v4l2_subdev *decoder; + struct v4l2_pix_format format; + v4l2_std_id std; + unsigned int input; + int users; + int disabled; + struct mutex mutex; /* exclusive access during open */ + spinlock_t slock; /* spin lock for hardware and queue access */ + struct videobuf_queue vb_vidq; + struct list_head capture; + struct videobuf_buffer *active; + int started, closing, tcount, bcount; + int overflow; + void *mem_spare; + dma_addr_t dma_spare; + void *iomem; + struct vip_config *config; +}; + +static const unsigned int registers_to_save[AUX_COUNT] = { + DVP_HLFLN, DVP_RGB, DVP_PKZ +}; + +static struct v4l2_pix_format formats_50[] = { + { /*PAL interlaced */ + .width = 720, + .height = 576, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_INTERLACED, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 576, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, + { /*PAL top */ + .width = 720, + .height = 288, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_TOP, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 288, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, + { /*PAL bottom */ + .width = 720, + .height = 288, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_BOTTOM, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 288, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, + +}; + +static struct v4l2_pix_format formats_60[] = { + { /*NTSC interlaced */ + .width = 720, + .height = 480, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_INTERLACED, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 480, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, + { /*NTSC top */ + .width = 720, + .height = 240, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_TOP, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 240, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, + { /*NTSC bottom */ + .width = 720, + .height = 240, + .pixelformat = V4L2_PIX_FMT_UYVY, + .field = V4L2_FIELD_BOTTOM, + .bytesperline = 720 * 2, + .sizeimage = 720 * 2 * 240, + .colorspace = V4L2_COLORSPACE_SMPTE170M}, +}; + +/** + * buf_setup - Get size and number of video buffer + * @vq: queue in videobuf + * @count: Number of buffers (1..MAX_FRAMES). + * 0 use default value. + * @size: size of buffer in bytes + * + * returns size and number of buffers + * a preset value of 0 returns the default number. + * return value: 0, always succesfull. + */ +static int buf_setup(struct videobuf_queue *vq, unsigned int *count, + unsigned int *size) +{ + struct sta2x11_vip *vip = vq->priv_data; + + *size = vip->format.width * vip->format.height * 2; + if (0 == *count || MAX_FRAMES < *count) + *count = MAX_FRAMES; + return 0; +}; + +/** + * buf_prepare - prepare buffer for usage + * @vq: queue in videobuf layer + * @vb: buffer to be prepared + * @field: type of video data (interlaced/non-interlaced) + * + * Allocate or realloc buffer + * return value: 0, successful. + * + * -EINVAL, supplied buffer is too small. + * + * other, buffer could not be locked. + */ +static int buf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct sta2x11_vip *vip = vq->priv_data; + int ret; + + vb->size = vip->format.width * vip->format.height * 2; + if ((0 != vb->baddr) && (vb->bsize < vb->size)) + return -EINVAL; + vb->width = vip->format.width; + vb->height = vip->format.height; + vb->field = field; + + if (VIDEOBUF_NEEDS_INIT == vb->state) { + ret = videobuf_iolock(vq, vb, NULL); + if (ret) + goto fail; + } + vb->state = VIDEOBUF_PREPARED; + return 0; +fail: + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; + return ret; +} + +/** + * buf_queu - queue buffer for filling + * @vq: queue in videobuf layer + * @vb: buffer to be queued + * + * if capturing is already running, the buffer will be queued. Otherwise + * capture is started and the buffer is used directly. + */ +static void buf_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct sta2x11_vip *vip = vq->priv_data; + u32 dma; + + vb->state = VIDEOBUF_QUEUED; + + if (vip->active) { + list_add_tail(&vb->queue, &vip->capture); + return; + } + + vip->started = 1; + vip->tcount = 0; + vip->bcount = 0; + vip->active = vb; + vb->state = VIDEOBUF_ACTIVE; + + dma = videobuf_to_dma_contig(vb); + + REG_WRITE(vip, DVP_TFO, (0 << 16) | (0)); + /* despite of interlace mode, upper and lower frames start at zero */ + REG_WRITE(vip, DVP_BFO, (0 << 16) | (0)); + + switch (vip->format.field) { + case V4L2_FIELD_INTERLACED: + REG_WRITE(vip, DVP_TFS, + ((vip->format.height / 2 - 1) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_BFS, ((vip->format.height / 2 - 1) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_VTP, dma); + REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2); + REG_WRITE(vip, DVP_VMP, 4 * vip->format.width); + break; + case V4L2_FIELD_TOP: + REG_WRITE(vip, DVP_TFS, + ((vip->format.height - 1) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_BFS, ((0) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_VTP, dma); + REG_WRITE(vip, DVP_VBP, dma); + REG_WRITE(vip, DVP_VMP, 2 * vip->format.width); + break; + case V4L2_FIELD_BOTTOM: + REG_WRITE(vip, DVP_TFS, ((0) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_BFS, + ((vip->format.height) << 16) | + (2 * vip->format.width - 1)); + REG_WRITE(vip, DVP_VTP, dma); + REG_WRITE(vip, DVP_VBP, dma); + REG_WRITE(vip, DVP_VMP, 2 * vip->format.width); + break; + + default: + pr_warning("VIP: unknown field format\n"); + return; + } + + REG_WRITE(vip, DVP_CTL, DVP_CTL_ENA); +} + +/** + * buff_release - release buffer + * @vq: queue in videobuf layer + * @vb: buffer to be released + * + * release buffer in videobuf layer + */ +static void buf_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; +} + +static struct videobuf_queue_ops vip_qops = { + .buf_setup = buf_setup, + .buf_prepare = buf_prepare, + .buf_queue = buf_queue, + .buf_release = buf_release, +}; + +/** + * vip_open - open video device + * @file: descriptor of device + * + * open device, make sure it is only opened once. + * return value: 0, no error. + * + * -EBUSY, device is already opened + * + * -ENOMEM, no memory for auxiliary DMA buffer + */ +static int vip_open(struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct sta2x11_vip *vip = video_get_drvdata(dev); + + mutex_lock(&vip->mutex); + vip->users++; + + if (vip->users > 1) { + vip->users--; + mutex_unlock(&vip->mutex); + return -EBUSY; + } + + file->private_data = dev; + vip->overflow = 0; + vip->started = 0; + vip->closing = 0; + vip->active = NULL; + + INIT_LIST_HEAD(&vip->capture); + vip->mem_spare = dma_alloc_coherent(&vip->pdev->dev, 64, + &vip->dma_spare, GFP_KERNEL); + if (!vip->mem_spare) { + vip->users--; + mutex_unlock(&vip->mutex); + return -ENOMEM; + } + + mutex_unlock(&vip->mutex); + videobuf_queue_dma_contig_init_cached(&vip->vb_vidq, + &vip_qops, + &vip->pdev->dev, + &vip->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct videobuf_buffer), + vip, NULL); + REG_READ(vip, DVP_ITS); + REG_WRITE(vip, DVP_HLFLN, DVP_HLFLN_SD); + REG_WRITE(vip, DVP_ITM, DVP_IT_VSB | DVP_IT_VST); + REG_WRITE(vip, DVP_CTL, DVP_CTL_RST); + REG_WRITE(vip, DVP_CTL, 0); + REG_READ(vip, DVP_ITS); + return 0; +} + +/** + * vip_close - close video device + * @file: descriptor of device + * + * close video device, wait until all pending operations are finished + * ( maximum FRAME_MAX buffers pending ) + * Turn off interrupts. + * + * return value: 0, always succesful. + */ +static int vip_close(struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct sta2x11_vip *vip = video_get_drvdata(dev); + + vip->closing = 1; + if (vip->active) + videobuf_waiton(&vip->vb_vidq, vip->active, 0, 0); + spin_lock_irq(&vip->slock); + + REG_WRITE(vip, DVP_ITM, 0); + REG_WRITE(vip, DVP_CTL, DVP_CTL_RST); + REG_WRITE(vip, DVP_CTL, 0); + REG_READ(vip, DVP_ITS); + + vip->started = 0; + vip->active = NULL; + + spin_unlock_irq(&vip->slock); + + videobuf_stop(&vip->vb_vidq); + videobuf_mmap_free(&vip->vb_vidq); + + dma_free_coherent(&vip->pdev->dev, 64, vip->mem_spare, vip->dma_spare); + file->private_data = NULL; + mutex_lock(&vip->mutex); + vip->users--; + mutex_unlock(&vip->mutex); + return 0; +} + +/** + * vip_read - read from video input + * @file: descriptor of device + * @data: user buffer + * @count: number of bytes to be read + * @ppos: position within stream + * + * read video data from video device. + * handling is done in generic videobuf layer + * return value: provided by videobuf layer + */ +static ssize_t vip_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct video_device *dev = file->private_data; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_read_stream(&vip->vb_vidq, data, count, ppos, 0, + file->f_flags & O_NONBLOCK); +} + +/** + * vip_mmap - map user buffer + * @file: descriptor of device + * @vma: user buffer + * + * map user space buffer into kernel mode, including DMA address. + * handling is done in generic videobuf layer. + * return value: provided by videobuf layer + */ +static int vip_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct video_device *dev = file->private_data; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_mmap_mapper(&vip->vb_vidq, vma); +} + +/** + * vip_poll - poll for event + * @file: descriptor of device + * @wait: contains events to be waited for + * + * wait for event related to video device. + * handling is done in generic videobuf layer. + * return value: provided by videobuf layer + */ +static unsigned int vip_poll(struct file *file, struct poll_table_struct *wait) +{ + struct video_device *dev = file->private_data; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_poll_stream(file, &vip->vb_vidq, wait); +} + +/** + * vidioc_querycap - return capabilities of device + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @cap: contains return values + * + * the capabilities of the device are returned + * + * return value: 0, no error. + */ +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + memset(cap, 0, sizeof(struct v4l2_capability)); + strcpy(cap->driver, DRV_NAME); + strcpy(cap->card, DRV_NAME); + cap->version = 0; + snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", + pci_name(vip->pdev)); + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + + return 0; +} + +/** + * vidioc_s_std - set video standard + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @std: contains standard to be set + * + * the video standard is set + * + * return value: 0, no error. + * + * -EIO, no input signal detected + * + * other, returned from video DAC. + */ +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + v4l2_std_id oldstd = vip->std, newstd; + int status; + + if (V4L2_STD_ALL == *std) { + v4l2_subdev_call(vip->decoder, core, s_std, *std); + ssleep(2); + v4l2_subdev_call(vip->decoder, video, querystd, &newstd); + v4l2_subdev_call(vip->decoder, video, g_input_status, &status); + if (status & V4L2_IN_ST_NO_SIGNAL) + return -EIO; + *std = vip->std = newstd; + if (oldstd != *std) { + if (V4L2_STD_525_60 & (*std)) + vip->format = formats_60[0]; + else + vip->format = formats_50[0]; + } + return 0; + } + + if (oldstd != *std) { + if (V4L2_STD_525_60 & (*std)) + vip->format = formats_60[0]; + else + vip->format = formats_50[0]; + } + + return v4l2_subdev_call(vip->decoder, core, s_std, *std); +} + +/** + * vidioc_g_std - get video standard + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @std: contains return values + * + * the current video standard is returned + * + * return value: 0, no error. + */ +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + *std = vip->std; + return 0; +} + +/** + * vidioc_querystd - get possible video standards + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @std: contains return values + * + * all possible video standards are returned + * + * return value: delivered by video DAC routine. + */ +static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return v4l2_subdev_call(vip->decoder, video, querystd, std); + +} + +/** + * vidioc_queryctl - get possible control settings + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @ctrl: contains return values + * + * return possible values for a control + * return value: delivered by video DAC routine. + */ +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *ctrl) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return v4l2_subdev_call(vip->decoder, core, queryctrl, ctrl); +} + +/** + * vidioc_g_ctl - get control value + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @ctrl: contains return values + * + * return setting for a control value + * return value: delivered by video DAC routine. + */ +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return v4l2_subdev_call(vip->decoder, core, g_ctrl, ctrl); +} + +/** + * vidioc_s_ctl - set control value + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @ctrl: contains value to be set + * + * set value for a specific control + * return value: delivered by video DAC routine. + */ +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return v4l2_subdev_call(vip->decoder, core, s_ctrl, ctrl); +} + +/** + * vidioc_enum_input - return name of input line + * @file: descriptor of device (not used) + * @priv: points to current videodevice + * @inp: contains return values + * + * the user friendly name of the input line is returned + * + * return value: 0, no error. + * + * -EINVAL, input line number out of range + */ +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *inp) +{ + if (inp->index > 1) + return -EINVAL; + + inp->type = V4L2_INPUT_TYPE_CAMERA; + inp->std = V4L2_STD_ALL; + sprintf(inp->name, "Camera %u", inp->index); + + return 0; +} + +/** + * vidioc_s_input - set input line + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @i: new input line number + * + * the current active input line is set + * + * return value: 0, no error. + * + * -EINVAL, line number out of range + */ +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + int ret; + + if (i > 1) + return -EINVAL; + ret = v4l2_subdev_call(vip->decoder, video, s_routing, i, 0, 0); + + if (!ret) + vip->input = i; + + return 0; +} + +/** + * vidioc_g_input - return input line + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @i: returned input line number + * + * the current active input line is returned + * + * return value: always 0. + */ +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + *i = vip->input; + return 0; +} + +/** + * vidioc_enum_fmt_vid_cap - return video capture format + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @f: returned format information + * + * returns name and format of video capture + * Only UYVY is supported by hardware. + * + * return value: always 0. + */ +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + + if (f->index != 0) + return -EINVAL; + + strcpy(f->description, "4:2:2, packed, UYVY"); + f->pixelformat = V4L2_PIX_FMT_UYVY; + f->flags = 0; + return 0; +} + +/** + * vidioc_try_fmt_vid_cap - set video capture format + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @f: new format + * + * new video format is set which includes width and + * field type. width is fixed to 720, no scaling. + * Only UYVY is supported by this hardware. + * the minimum height is 200, the maximum is 576 (PAL) + * + * return value: 0, no error + * + * -EINVAL, pixel or field format not supported + * + */ +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + int interlace_lim; + + if (V4L2_PIX_FMT_UYVY != f->fmt.pix.pixelformat) + return -EINVAL; + + if (V4L2_STD_525_60 & vip->std) + interlace_lim = 240; + else + interlace_lim = 288; + + switch (f->fmt.pix.field) { + case V4L2_FIELD_ANY: + if (interlace_lim < f->fmt.pix.height) + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + else + f->fmt.pix.field = V4L2_FIELD_BOTTOM; + break; + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + if (interlace_lim < f->fmt.pix.height) + f->fmt.pix.height = interlace_lim; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.height &= ~1; + if (2 * interlace_lim < f->fmt.pix.height) + f->fmt.pix.height = 2 * interlace_lim; + if (200 > f->fmt.pix.height) + f->fmt.pix.height = 200; + f->fmt.pix.width = 720; + f->fmt.pix.bytesperline = f->fmt.pix.width * 2; + f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + f->fmt.pix.priv = 0; + return 0; +} + +/** + * vidioc_s_fmt_vid_cap - set current video format parameters + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @f: returned format information + * + * set new capture format + * return value: 0, no error + * + * other, delivered by video DAC routine. + */ +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + int ret; + + ret = vidioc_try_fmt_vid_cap(file, priv, f); + if (ret) + return ret; + + memcpy(&vip->format, &f->fmt.pix, sizeof(struct v4l2_pix_format)); + return 0; +} + +/** + * vidioc_g_fmt_vid_cap - get current video format parameters + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @f: contains format information + * + * returns current video format parameters + * + * return value: 0, always successful + */ +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + memcpy(&f->fmt.pix, &vip->format, sizeof(struct v4l2_pix_format)); + return 0; +} + +/** + * vidioc_reqfs - request buffer + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @p: video buffer + * + * Handling is done in generic videobuf layer. + */ +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *p) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_reqbufs(&vip->vb_vidq, p); +} + +/** + * vidioc_querybuf - query buffer + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @p: video buffer + * + * query buffer state. + * Handling is done in generic videobuf layer. + */ +static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_querybuf(&vip->vb_vidq, p); +} + +/** + * vidioc_qbuf - queue a buffer + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @p: video buffer + * + * Handling is done in generic videobuf layer. + */ +static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_qbuf(&vip->vb_vidq, p); +} + +/** + * vidioc_dqbuf - dequeue a buffer + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @p: video buffer + * + * Handling is done in generic videobuf layer. + */ +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_dqbuf(&vip->vb_vidq, p, file->f_flags & O_NONBLOCK); +} + +/** + * vidioc_streamon - turn on streaming + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @type: type of capture + * + * turn on streaming. + * Handling is done in generic videobuf layer. + */ +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_streamon(&vip->vb_vidq); +} + +/** + * vidioc_streamoff - turn off streaming + * @file: descriptor of device ( not used) + * @priv: points to current videodevice + * @type: type of capture + * + * turn off streaming. + * Handling is done in generic videobuf layer. + */ +static int vidioc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct video_device *dev = priv; + struct sta2x11_vip *vip = video_get_drvdata(dev); + + return videobuf_streamoff(&vip->vb_vidq); +} + +static const struct v4l2_file_operations vip_fops = { + .owner = THIS_MODULE, + .open = vip_open, + .release = vip_close, + .ioctl = video_ioctl2, + .read = vip_read, + .mmap = vip_mmap, + .poll = vip_poll +}; + +static const struct v4l2_ioctl_ops vip_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_querystd = vidioc_querystd, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_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, +}; + +static struct video_device video_dev_template = { + .name = DRV_NAME, + .release = video_device_release, + .fops = &vip_fops, + .ioctl_ops = &vip_ioctl_ops, + .tvnorms = V4L2_STD_ALL, +}; + +/** + * vip_irq - interrupt routine + * @irq: Number of interrupt ( not used, correct number is assumed ) + * @vip: local data structure containing all information + * + * check for both frame interrupts set ( top and bottom ). + * check FIFO overflow, but limit number of log messages after open. + * signal a complete buffer if done. + * dequeue a new buffer if available. + * disable VIP if no buffer available. + * + * return value: IRQ_NONE, interrupt was not generated by VIP + * + * IRQ_HANDLED, interrupt done. + */ +static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip) +{ + u32 status, dma; + unsigned long flags; + struct videobuf_buffer *vb; + + status = REG_READ(vip, DVP_ITS); + + if (!status) { + pr_debug("VIP: irq ignored\n"); + return IRQ_NONE; + } + + if (!vip->started) + return IRQ_HANDLED; + + if (status & DVP_IT_VSB) + vip->bcount++; + + if (status & DVP_IT_VST) + vip->tcount++; + + if ((DVP_IT_VSB | DVP_IT_VST) == (status & (DVP_IT_VST | DVP_IT_VSB))) { + /* this is bad, we are too slow, hope the condition is gone + * on the next frame */ + pr_info("VIP: both irqs\n"); + return IRQ_HANDLED; + } + + if (status & DVP_IT_FIFO) { + if (5 > vip->overflow++) + pr_info("VIP: fifo overflow\n"); + } + + if (2 > vip->tcount) + return IRQ_HANDLED; + + if (status & DVP_IT_VSB) + return IRQ_HANDLED; + + spin_lock_irqsave(&vip->slock, flags); + + REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) & ~DVP_CTL_ENA); + if (vip->active) { + do_gettimeofday(&vip->active->ts); + vip->active->field_count++; + vip->active->state = VIDEOBUF_DONE; + wake_up(&vip->active->done); + vip->active = NULL; + } + if (!vip->closing) { + if (list_empty(&vip->capture)) + goto done; + + vb = list_first_entry(&vip->capture, struct videobuf_buffer, + queue); + if (NULL == vb) { + pr_info("VIP: no buffer\n"); + goto done; + } + vb->state = VIDEOBUF_ACTIVE; + list_del(&vb->queue); + vip->active = vb; + dma = videobuf_to_dma_contig(vb); + switch (vip->format.field) { + case V4L2_FIELD_INTERLACED: + REG_WRITE(vip, DVP_VTP, dma); + REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2); + break; + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + REG_WRITE(vip, DVP_VTP, dma); + REG_WRITE(vip, DVP_VBP, dma); + break; + default: + pr_warning("VIP: unknown field format\n"); + goto done; + break; + } + REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) | DVP_CTL_ENA); + } +done: + spin_unlock_irqrestore(&vip->slock, flags); + return IRQ_HANDLED; +} + +/** + * vip_gpio_reserve - reserve gpio pin + * @dev: device + * @pin: GPIO pin number + * @dir: direction, input or output + * @name: GPIO pin name + * + */ +static int vip_gpio_reserve(struct device *dev, int pin, int dir, + const char *name) +{ + int ret; + + if (pin == -1) + return 0; + + ret = gpio_request(pin, name); + if (ret) { + dev_err(dev, "Failed to allocate pin %d (%s)\n", pin, name); + return ret; + } + + ret = gpio_direction_output(pin, dir); + if (ret) { + dev_err(dev, "Failed to set direction for pin %d (%s)\n", + pin, name); + gpio_free(pin); + return ret; + } + + ret = gpio_export(pin, false); + if (ret) { + dev_err(dev, "Failed to export pin %d (%s)\n", pin, name); + gpio_free(pin); + return ret; + } + + return 0; +} + +/** + * vip_gpio_release - release gpio pin + * @dev: device + * @pin: GPIO pin number + * @name: GPIO pin name + * + */ +static void vip_gpio_release(struct device *dev, int pin, const char *name) +{ + if (pin != -1) { + dev_dbg(dev, "releasing pin %d (%s)\n", pin, name); + gpio_unexport(pin); + gpio_free(pin); + } +} + +/** + * sta2x11_vip_init_one - init one instance of video device + * @pdev: PCI device + * @ent: (not used) + * + * allocate reset pins for DAC. + * Reset video DAC, this is done via reset line. + * allocate memory for managing device + * request interrupt + * map IO region + * register device + * find and initialize video DAC + * + * return value: 0, no error + * + * -ENOMEM, no memory + * + * -ENODEV, device could not be detected or registered + */ +static int __devinit sta2x11_vip_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int ret; + struct sta2x11_vip *vip; + struct vip_config *config; + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + config = dev_get_platdata(&pdev->dev); + if (!config) { + dev_info(&pdev->dev, "VIP slot disabled\n"); + ret = -EINVAL; + goto disable; + } + + ret = vip_gpio_reserve(&pdev->dev, config->pwr_pin, 0, + config->pwr_name); + if (ret) + goto disable; + + if (config->reset_pin >= 0) { + ret = vip_gpio_reserve(&pdev->dev, config->reset_pin, 0, + config->reset_name); + if (ret) { + vip_gpio_release(&pdev->dev, config->pwr_pin, + config->pwr_name); + goto disable; + } + } + + if (config->pwr_pin != -1) { + /* Datasheet says 5ms between PWR and RST */ + usleep_range(5000, 25000); + ret = gpio_direction_output(config->pwr_pin, 1); + } + + if (config->reset_pin != -1) { + /* Datasheet says 5ms between PWR and RST */ + usleep_range(5000, 25000); + ret = gpio_direction_output(config->reset_pin, 1); + } + usleep_range(5000, 25000); + + vip = kzalloc(sizeof(struct sta2x11_vip), GFP_KERNEL); + if (!vip) { + ret = -ENOMEM; + goto release_gpios; + } + + vip->pdev = pdev; + vip->std = V4L2_STD_PAL; + vip->format = formats_50[0]; + vip->config = config; + + if (v4l2_device_register(&pdev->dev, &vip->v4l2_dev)) + goto free_mem; + + dev_dbg(&pdev->dev, "BAR #0 at 0x%lx 0x%lx irq %d\n", + (unsigned long)pci_resource_start(pdev, 0), + (unsigned long)pci_resource_len(pdev, 0), pdev->irq); + + pci_set_master(pdev); + + ret = pci_request_regions(pdev, DRV_NAME); + if (ret) + goto unreg; + + vip->iomem = pci_iomap(pdev, 0, 0x100); + if (!vip->iomem) { + ret = -ENOMEM; /* FIXME */ + goto release; + } + + pci_enable_msi(pdev); + + INIT_LIST_HEAD(&vip->capture); + spin_lock_init(&vip->slock); + mutex_init(&vip->mutex); + vip->started = 0; + vip->disabled = 0; + + ret = request_irq(pdev->irq, + (irq_handler_t) vip_irq, + IRQF_SHARED, DRV_NAME, vip); + if (ret) { + dev_err(&pdev->dev, "request_irq failed\n"); + ret = -ENODEV; + goto unmap; + } + + vip->video_dev = video_device_alloc(); + if (!vip->video_dev) { + ret = -ENOMEM; + goto release_irq; + } + + *(vip->video_dev) = video_dev_template; + video_set_drvdata(vip->video_dev, vip); + + ret = video_register_device(vip->video_dev, VFL_TYPE_GRABBER, -1); + if (ret) + goto vrelease; + + vip->adapter = i2c_get_adapter(vip->config->i2c_id); + if (!vip->adapter) { + ret = -ENODEV; + dev_err(&pdev->dev, "no I2C adapter found\n"); + goto vunreg; + } + + vip->decoder = v4l2_i2c_new_subdev(&vip->v4l2_dev, vip->adapter, + "adv7180", vip->config->i2c_addr, + NULL); + if (!vip->decoder) { + ret = -ENODEV; + dev_err(&pdev->dev, "no decoder found\n"); + goto vunreg; + } + + i2c_put_adapter(vip->adapter); + + v4l2_subdev_call(vip->decoder, core, init, 0); + + pr_info("STA2X11 Video Input Port (VIP) loaded\n"); + return 0; + +vunreg: + video_set_drvdata(vip->video_dev, NULL); +vrelease: + if (video_is_registered(vip->video_dev)) + video_unregister_device(vip->video_dev); + else + video_device_release(vip->video_dev); +release_irq: + free_irq(pdev->irq, vip); + pci_disable_msi(pdev); +unmap: + pci_iounmap(pdev, vip->iomem); + mutex_destroy(&vip->mutex); +release: + pci_release_regions(pdev); +unreg: + v4l2_device_unregister(&vip->v4l2_dev); +free_mem: + kfree(vip); +release_gpios: + vip_gpio_release(&pdev->dev, config->reset_pin, config->reset_name); + vip_gpio_release(&pdev->dev, config->pwr_pin, config->pwr_name); +disable: + /* + * do not call pci_disable_device on sta2x11 because it break all + * other Bus masters on this EP + */ + return ret; +} + +/** + * sta2x11_vip_remove_one - release device + * @pdev: PCI device + * + * Undo everything done in .._init_one + * + * unregister video device + * free interrupt + * unmap ioadresses + * free memory + * free GPIO pins + */ +static void __devexit sta2x11_vip_remove_one(struct pci_dev *pdev) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct sta2x11_vip *vip = + container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); + + video_set_drvdata(vip->video_dev, NULL); + video_unregister_device(vip->video_dev); + /*do not call video_device_release() here, is already done */ + free_irq(pdev->irq, vip); + pci_disable_msi(pdev); + pci_iounmap(pdev, vip->iomem); + pci_release_regions(pdev); + + v4l2_device_unregister(&vip->v4l2_dev); + mutex_destroy(&vip->mutex); + + vip_gpio_release(&pdev->dev, vip->config->pwr_pin, + vip->config->pwr_name); + vip_gpio_release(&pdev->dev, vip->config->reset_pin, + vip->config->reset_name); + + kfree(vip); + /* + * do not call pci_disable_device on sta2x11 because it break all + * other Bus masters on this EP + */ +} + +#ifdef CONFIG_PM + +/** + * sta2x11_vip_suspend - set device into power save mode + * @pdev: PCI device + * @state: new state of device + * + * all relevant registers are saved and an attempt to set a new state is made. + * + * return value: 0 always indicate success, + * even if device could not be disabled. (workaround for hardware problem) + * + * reurn value : 0, always succesful, even if hardware does not not support + * power down mode. + */ +static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct sta2x11_vip *vip = + container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); + unsigned long flags; + int i; + + spin_lock_irqsave(&vip->slock, flags); + vip->register_save_area[0] = REG_READ(vip, DVP_CTL); + REG_WRITE(vip, DVP_CTL, vip->register_save_area[0] & DVP_CTL_DIS); + vip->register_save_area[SAVE_COUNT] = REG_READ(vip, DVP_ITM); + REG_WRITE(vip, DVP_ITM, 0); + for (i = 1; i < SAVE_COUNT; i++) + vip->register_save_area[i] = REG_READ(vip, 4 * i); + for (i = 0; i < AUX_COUNT; i++) + vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] = + REG_READ(vip, registers_to_save[i]); + spin_unlock_irqrestore(&vip->slock, flags); + /* save pci state */ + pci_save_state(pdev); + if (pci_set_power_state(pdev, pci_choose_state(pdev, state))) { + /* + * do not call pci_disable_device on sta2x11 because it + * break all other Bus masters on this EP + */ + vip->disabled = 1; + } + + pr_info("VIP: suspend\n"); + return 0; +} + +/** + * sta2x11_vip_resume - resume device operation + * @pdev : PCI device + * + * re-enable device, set PCI state to powered and restore registers. + * resume normal device operation afterwards. + * + * return value: 0, no error. + * + * other, could not set device to power on state. + */ +static int sta2x11_vip_resume(struct pci_dev *pdev) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct sta2x11_vip *vip = + container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); + unsigned long flags; + int ret, i; + + pr_info("VIP: resume\n"); + /* restore pci state */ + if (vip->disabled) { + ret = pci_enable_device(pdev); + if (ret) { + pr_warning("VIP: Can't enable device.\n"); + return ret; + } + vip->disabled = 0; + } + ret = pci_set_power_state(pdev, PCI_D0); + if (ret) { + /* + * do not call pci_disable_device on sta2x11 because it + * break all other Bus masters on this EP + */ + pr_warning("VIP: Can't enable device.\n"); + vip->disabled = 1; + return ret; + } + + pci_restore_state(pdev); + + spin_lock_irqsave(&vip->slock, flags); + for (i = 1; i < SAVE_COUNT; i++) + REG_WRITE(vip, 4 * i, vip->register_save_area[i]); + for (i = 0; i < AUX_COUNT; i++) + REG_WRITE(vip, registers_to_save[i], + vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i]); + REG_WRITE(vip, DVP_CTL, vip->register_save_area[0]); + REG_WRITE(vip, DVP_ITM, vip->register_save_area[SAVE_COUNT]); + spin_unlock_irqrestore(&vip->slock, flags); + return 0; +} + +#endif + +static DEFINE_PCI_DEVICE_TABLE(sta2x11_vip_pci_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)}, + {0,} +}; + +static struct pci_driver sta2x11_vip_driver = { + .name = DRV_NAME, + .probe = sta2x11_vip_init_one, + .remove = __devexit_p(sta2x11_vip_remove_one), + .id_table = sta2x11_vip_pci_tbl, +#ifdef CONFIG_PM + .suspend = sta2x11_vip_suspend, + .resume = sta2x11_vip_resume, +#endif +}; + +static int __init sta2x11_vip_init_module(void) +{ + return pci_register_driver(&sta2x11_vip_driver); +} + +static void __exit sta2x11_vip_exit_module(void) +{ + pci_unregister_driver(&sta2x11_vip_driver); +} + +#ifdef MODULE +module_init(sta2x11_vip_init_module); +module_exit(sta2x11_vip_exit_module); +#else +late_initcall_sync(sta2x11_vip_init_module); +#endif + +MODULE_DESCRIPTION("STA2X11 Video Input Port driver"); +MODULE_AUTHOR("Wind River"); +MODULE_LICENSE("GPL v2"); +MODULE_SUPPORTED_DEVICE("sta2x11 video input"); +MODULE_VERSION(DRV_VERSION); +MODULE_DEVICE_TABLE(pci, sta2x11_vip_pci_tbl); diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.h b/drivers/media/pci/sta2x11/sta2x11_vip.h new file mode 100644 index 000000000000..4f81a13666eb --- /dev/null +++ b/drivers/media/pci/sta2x11/sta2x11_vip.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2011 Wind River Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Anders Wallin + * + */ + +#ifndef __STA2X11_VIP_H +#define __STA2X11_VIP_H + +/** + * struct vip_config - video input configuration data + * @pwr_name: ADV powerdown name + * @pwr_pin: ADV powerdown pin + * @reset_name: ADV reset name + * @reset_pin: ADV reset pin + */ +struct vip_config { + const char *pwr_name; + int pwr_pin; + const char *reset_name; + int reset_pin; + int i2c_id; + int i2c_addr; +}; + +#endif /* __STA2X11_VIP_H */ diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 4d79dfd452b8..d545d939c7d5 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -605,51 +605,6 @@ config VIDEO_VIVI Say Y here if you want to test video apps or debug V4L devices. In doubt, say N. -# -# PCI drivers configuration - No devices here are for webcams -# - -menuconfig V4L_PCI_DRIVERS - bool "V4L PCI(e) devices" - depends on PCI - depends on MEDIA_ANALOG_TV_SUPPORT - default y - ---help--- - Say Y here to enable support for these PCI(e) drivers. - -if V4L_PCI_DRIVERS - -config VIDEO_MEYE - tristate "Sony Vaio Picturebook Motion Eye Video For Linux" - depends on PCI && SONY_LAPTOP && VIDEO_V4L2 - ---help--- - This is the video4linux driver for the Motion Eye camera found - in the Vaio Picturebook laptops. Please read the material in - for more information. - - If you say Y or M here, you need to say Y or M to "Sony Laptop - Extras" in the misc device section. - - To compile this driver as a module, choose M here: the - module will be called meye. - - - -config STA2X11_VIP - tristate "STA2X11 VIP Video For Linux" - depends on STA2X11 - select VIDEO_ADV7180 if VIDEO_HELPER_CHIPS_AUTO - select VIDEOBUF_DMA_CONTIG - depends on PCI && VIDEO_V4L2 && VIRT_TO_BUS - help - Say Y for support for STA2X11 VIP (Video Input Port) capture - device. - - To compile this driver as a module, choose M here: the - module will be called sta2x11_vip. - -endif # V4L_PCI_DRIVERS - # # ISA & parallel port drivers configuration # All devices here are webcam or grabber devices diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 8df694dde564..f212af3ec740 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -92,8 +92,6 @@ obj-$(CONFIG_VIDEO_BWQCAM) += bw-qcam.o obj-$(CONFIG_VIDEO_W9966) += w9966.o obj-$(CONFIG_VIDEO_PMS) += pms.o obj-$(CONFIG_VIDEO_VINO) += vino.o -obj-$(CONFIG_VIDEO_MEYE) += meye.o -obj-$(CONFIG_STA2X11_VIP) += sta2x11_vip.o obj-$(CONFIG_VIDEO_TIMBERDALE) += timblogiw.o obj-$(CONFIG_VIDEO_BTCX) += btcx-risc.o diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c deleted file mode 100644 index 7bc775219f97..000000000000 --- a/drivers/media/video/meye.c +++ /dev/null @@ -1,1964 +0,0 @@ -/* - * Motion Eye video4linux driver for Sony Vaio PictureBook - * - * Copyright (C) 2001-2004 Stelian Pop - * - * Copyright (C) 2001-2002 Alcôve - * - * Copyright (C) 2000 Andrew Tridgell - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "meye.h" -#include - -MODULE_AUTHOR("Stelian Pop "); -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; - do_gettimeofday(&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; - do_gettimeofday(&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 0; -} - -static int meye_release(struct file *file) -{ - mchip_hic_stop(); - mchip_dma_free(); - clear_bit(0, &meye.in_use); - return 0; -} - -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->version = (MEYE_DRIVER_MAJORVERSION << 8) + - MEYE_DRIVER_MINORVERSION; - - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_STREAMING; - - 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 vidioc_queryctrl(struct file *file, void *fh, - struct v4l2_queryctrl *c) -{ - switch (c->id) { - - case V4L2_CID_BRIGHTNESS: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Brightness"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 32; - c->flags = 0; - break; - case V4L2_CID_HUE: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Hue"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 32; - c->flags = 0; - break; - case V4L2_CID_CONTRAST: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Contrast"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 32; - c->flags = 0; - break; - case V4L2_CID_SATURATION: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Saturation"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 32; - c->flags = 0; - break; - case V4L2_CID_AGC: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Agc"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 48; - c->flags = 0; - break; - case V4L2_CID_MEYE_SHARPNESS: - case V4L2_CID_SHARPNESS: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Sharpness"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 32; - - /* Continue to report legacy private SHARPNESS ctrl but - * say it is disabled in preference to ctrl in the spec - */ - c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 : - V4L2_CTRL_FLAG_DISABLED; - break; - case V4L2_CID_PICTURE: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Picture"); - c->minimum = 0; - c->maximum = 63; - c->step = 1; - c->default_value = 0; - c->flags = 0; - break; - case V4L2_CID_JPEGQUAL: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "JPEG quality"); - c->minimum = 0; - c->maximum = 10; - c->step = 1; - c->default_value = 8; - c->flags = 0; - break; - case V4L2_CID_FRAMERATE: - c->type = V4L2_CTRL_TYPE_INTEGER; - strcpy(c->name, "Framerate"); - c->minimum = 0; - c->maximum = 31; - c->step = 1; - c->default_value = 0; - c->flags = 0; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) -{ - mutex_lock(&meye.lock); - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); - meye.brightness = c->value << 10; - break; - case V4L2_CID_HUE: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERAHUE, c->value); - meye.hue = c->value << 10; - break; - case V4L2_CID_CONTRAST: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); - meye.contrast = c->value << 10; - break; - case V4L2_CID_SATURATION: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); - meye.colour = c->value << 10; - break; - case V4L2_CID_AGC: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERAAGC, c->value); - meye.params.agc = c->value; - break; - case V4L2_CID_SHARPNESS: - case V4L2_CID_MEYE_SHARPNESS: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); - meye.params.sharpness = c->value; - break; - case V4L2_CID_PICTURE: - sony_pic_camera_command( - SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); - meye.params.picture = c->value; - break; - case V4L2_CID_JPEGQUAL: - meye.params.quality = c->value; - break; - case V4L2_CID_FRAMERATE: - meye.params.framerate = c->value; - break; - default: - mutex_unlock(&meye.lock); - return -EINVAL; - } - mutex_unlock(&meye.lock); - - return 0; -} - -static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) -{ - mutex_lock(&meye.lock); - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - c->value = meye.brightness >> 10; - break; - case V4L2_CID_HUE: - c->value = meye.hue >> 10; - break; - case V4L2_CID_CONTRAST: - c->value = meye.contrast >> 10; - break; - case V4L2_CID_SATURATION: - c->value = meye.colour >> 10; - break; - case V4L2_CID_AGC: - c->value = meye.params.agc; - break; - case V4L2_CID_SHARPNESS: - case V4L2_CID_MEYE_SHARPNESS: - c->value = meye.params.sharpness; - break; - case V4L2_CID_PICTURE: - c->value = meye.params.picture; - break; - case V4L2_CID_JPEGQUAL: - c->value = meye.params.quality; - break; - case V4L2_CID_FRAMERATE: - c->value = meye.params.framerate; - 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; - f->fmt.pix.priv = 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; - f->fmt.pix.priv = 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; - - 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; - 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, - 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 = 0; - - 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_RESERVED; /* avoid to swap out this VMA */ - 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_queryctrl = vidioc_queryctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .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_default = vidioc_default, -}; - -static struct video_device meye_template = { - .name = "meye", - .fops = &meye_fops, - .ioctl_ops = &meye_ioctl_ops, - .release = video_device_release, -}; - -#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 __devinit meye_probe(struct pci_dev *pcidev, - const struct pci_device_id *ent) -{ - 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"); - goto outnotdev; - } - - 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.vdev = video_device_alloc(); - if (!meye.vdev) { - v4l2_err(v4l2_dev, "video_device_alloc() failed!\n"); - goto outnotdev; - } - - 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; - } - - memcpy(meye.vdev, &meye_template, sizeof(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_DISABLED | 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); - meye.brightness = 32 << 10; - meye.hue = 32 << 10; - meye.colour = 32 << 10; - meye.contrast = 32 << 10; - meye.params.subsample = 0; - meye.params.quality = 8; - meye.params.sharpness = 32; - meye.params.agc = 48; - meye.params.picture = 0; - meye.params.framerate = 0; - - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); - sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); - - 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: - 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: - video_device_release(meye.vdev); -outnotdev: - return ret; -} - -static void __devexit 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 = __devexit_p(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 < 0 || 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); diff --git a/drivers/media/video/meye.h b/drivers/media/video/meye.h deleted file mode 100644 index 4bdeb03f1644..000000000000 --- a/drivers/media/video/meye.h +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Motion Eye video4linux driver for Sony Vaio PictureBook - * - * Copyright (C) 2001-2004 Stelian Pop - * - * Copyright (C) 2001-2002 Alcôve - * - * Copyright (C) 2000 Andrew Tridgell - * - * 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. - */ - -#ifndef _MEYE_PRIV_H_ -#define _MEYE_PRIV_H_ - -#define MEYE_DRIVER_MAJORVERSION 1 -#define MEYE_DRIVER_MINORVERSION 14 - -#define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \ - __stringify(MEYE_DRIVER_MINORVERSION) - -#include -#include -#include - -/****************************************************************************/ -/* Motion JPEG chip registers */ -/****************************************************************************/ - -/* Motion JPEG chip PCI configuration registers */ -#define MCHIP_PCI_POWER_CSR 0x54 -#define MCHIP_PCI_MCORE_STATUS 0x60 /* see HIC_STATUS */ -#define MCHIP_PCI_HOSTUSEREQ_SET 0x64 -#define MCHIP_PCI_HOSTUSEREQ_CLR 0x68 -#define MCHIP_PCI_LOWPOWER_SET 0x6c -#define MCHIP_PCI_LOWPOWER_CLR 0x70 -#define MCHIP_PCI_SOFTRESET_SET 0x74 - -/* Motion JPEG chip memory mapped registers */ -#define MCHIP_MM_REGS 0x200 /* 512 bytes */ -#define MCHIP_REG_TIMEOUT 1000 /* reg access, ~us */ -#define MCHIP_MCC_VRJ_TIMEOUT 1000 /* MCC & VRJ access */ - -#define MCHIP_MM_PCI_MODE 0x00 /* PCI access mode */ -#define MCHIP_MM_PCI_MODE_RETRY 0x00000001 /* retry mode */ -#define MCHIP_MM_PCI_MODE_MASTER 0x00000002 /* master access */ -#define MCHIP_MM_PCI_MODE_READ_LINE 0x00000004 /* read line */ - -#define MCHIP_MM_INTA 0x04 /* Int status/mask */ -#define MCHIP_MM_INTA_MCC 0x00000001 /* MCC interrupt */ -#define MCHIP_MM_INTA_VRJ 0x00000002 /* VRJ interrupt */ -#define MCHIP_MM_INTA_HIC_1 0x00000004 /* one frame done */ -#define MCHIP_MM_INTA_HIC_1_MASK 0x00000400 /* 1: enable */ -#define MCHIP_MM_INTA_HIC_END 0x00000008 /* all frames done */ -#define MCHIP_MM_INTA_HIC_END_MASK 0x00000800 -#define MCHIP_MM_INTA_JPEG 0x00000010 /* decompress. error */ -#define MCHIP_MM_INTA_JPEG_MASK 0x00001000 -#define MCHIP_MM_INTA_CAPTURE 0x00000020 /* capture end */ -#define MCHIP_MM_INTA_PCI_ERR 0x00000040 /* PCI error */ -#define MCHIP_MM_INTA_PCI_ERR_MASK 0x00004000 - -#define MCHIP_MM_PT_ADDR 0x08 /* page table address*/ - /* n*4kB */ -#define MCHIP_NB_PAGES 1024 /* pages for display */ -#define MCHIP_NB_PAGES_MJPEG 256 /* pages for mjpeg */ - -#define MCHIP_MM_FIR(n) (0x0c+(n)*4) /* Frame info 0-3 */ -#define MCHIP_MM_FIR_RDY 0x00000001 /* frame ready */ -#define MCHIP_MM_FIR_FAILFR_MASK 0xf8000000 /* # of failed frames */ -#define MCHIP_MM_FIR_FAILFR_SHIFT 27 - - /* continuous comp/decomp mode */ -#define MCHIP_MM_FIR_C_ENDL_MASK 0x000007fe /* end DW [10] */ -#define MCHIP_MM_FIR_C_ENDL_SHIFT 1 -#define MCHIP_MM_FIR_C_ENDP_MASK 0x0007f800 /* end page [8] */ -#define MCHIP_MM_FIR_C_ENDP_SHIFT 11 -#define MCHIP_MM_FIR_C_STARTP_MASK 0x07f80000 /* start page [8] */ -#define MCHIP_MM_FIR_C_STARTP_SHIFT 19 - - /* continuous picture output mode */ -#define MCHIP_MM_FIR_O_STARTP_MASK 0x7ffe0000 /* start page [10] */ -#define MCHIP_MM_FIR_O_STARTP_SHIFT 17 - -#define MCHIP_MM_FIFO_DATA 0x1c /* PCI TGT FIFO data */ -#define MCHIP_MM_FIFO_STATUS 0x20 /* PCI TGT FIFO stat */ -#define MCHIP_MM_FIFO_MASK 0x00000003 -#define MCHIP_MM_FIFO_WAIT_OR_READY 0x00000002 /* Bits common to WAIT & READY*/ -#define MCHIP_MM_FIFO_IDLE 0x0 /* HIC idle */ -#define MCHIP_MM_FIFO_IDLE1 0x1 /* idem ??? */ -#define MCHIP_MM_FIFO_WAIT 0x2 /* wait request */ -#define MCHIP_MM_FIFO_READY 0x3 /* data ready */ - -#define MCHIP_HIC_HOST_USEREQ 0x40 /* host uses MCORE */ - -#define MCHIP_HIC_TP_BUSY 0x44 /* taking picture */ - -#define MCHIP_HIC_PIC_SAVED 0x48 /* pic in SDRAM */ - -#define MCHIP_HIC_LOWPOWER 0x4c /* clock stopped */ - -#define MCHIP_HIC_CTL 0x50 /* HIC control */ -#define MCHIP_HIC_CTL_SOFT_RESET 0x00000001 /* MCORE reset */ -#define MCHIP_HIC_CTL_MCORE_RDY 0x00000002 /* MCORE ready */ - -#define MCHIP_HIC_CMD 0x54 /* HIC command */ -#define MCHIP_HIC_CMD_BITS 0x00000003 /* cmd width=[1:0]*/ -#define MCHIP_HIC_CMD_NOOP 0x0 -#define MCHIP_HIC_CMD_START 0x1 -#define MCHIP_HIC_CMD_STOP 0x2 - -#define MCHIP_HIC_MODE 0x58 -#define MCHIP_HIC_MODE_NOOP 0x0 -#define MCHIP_HIC_MODE_STILL_CAP 0x1 /* still pic capt */ -#define MCHIP_HIC_MODE_DISPLAY 0x2 /* display */ -#define MCHIP_HIC_MODE_STILL_COMP 0x3 /* still pic comp. */ -#define MCHIP_HIC_MODE_STILL_DECOMP 0x4 /* still pic decomp. */ -#define MCHIP_HIC_MODE_CONT_COMP 0x5 /* cont capt+comp */ -#define MCHIP_HIC_MODE_CONT_DECOMP 0x6 /* cont decomp+disp */ -#define MCHIP_HIC_MODE_STILL_OUT 0x7 /* still pic output */ -#define MCHIP_HIC_MODE_CONT_OUT 0x8 /* cont output */ - -#define MCHIP_HIC_STATUS 0x5c -#define MCHIP_HIC_STATUS_MCC_RDY 0x00000001 /* MCC reg acc ok */ -#define MCHIP_HIC_STATUS_VRJ_RDY 0x00000002 /* VRJ reg acc ok */ -#define MCHIP_HIC_STATUS_IDLE 0x00000003 -#define MCHIP_HIC_STATUS_CAPDIS 0x00000004 /* cap/disp in prog */ -#define MCHIP_HIC_STATUS_COMPDEC 0x00000008 /* (de)comp in prog */ -#define MCHIP_HIC_STATUS_BUSY 0x00000010 /* HIC busy */ - -#define MCHIP_HIC_S_RATE 0x60 /* MJPEG # frames */ - -#define MCHIP_HIC_PCI_VFMT 0x64 /* video format */ -#define MCHIP_HIC_PCI_VFMT_YVYU 0x00000001 /* 0: V Y' U Y */ - /* 1: Y' V Y U */ - -#define MCHIP_MCC_CMD 0x80 /* MCC commands */ -#define MCHIP_MCC_CMD_INITIAL 0x0 /* idle ? */ -#define MCHIP_MCC_CMD_IIC_START_SET 0x1 -#define MCHIP_MCC_CMD_IIC_END_SET 0x2 -#define MCHIP_MCC_CMD_FM_WRITE 0x3 /* frame memory */ -#define MCHIP_MCC_CMD_FM_READ 0x4 -#define MCHIP_MCC_CMD_FM_STOP 0x5 -#define MCHIP_MCC_CMD_CAPTURE 0x6 -#define MCHIP_MCC_CMD_DISPLAY 0x7 -#define MCHIP_MCC_CMD_END_DISP 0x8 -#define MCHIP_MCC_CMD_STILL_COMP 0x9 -#define MCHIP_MCC_CMD_STILL_DECOMP 0xa -#define MCHIP_MCC_CMD_STILL_OUTPUT 0xb -#define MCHIP_MCC_CMD_CONT_OUTPUT 0xc -#define MCHIP_MCC_CMD_CONT_COMP 0xd -#define MCHIP_MCC_CMD_CONT_DECOMP 0xe -#define MCHIP_MCC_CMD_RESET 0xf /* MCC reset */ - -#define MCHIP_MCC_IIC_WR 0x84 - -#define MCHIP_MCC_MCC_WR 0x88 - -#define MCHIP_MCC_MCC_RD 0x8c - -#define MCHIP_MCC_STATUS 0x90 -#define MCHIP_MCC_STATUS_CAPT 0x00000001 /* capturing */ -#define MCHIP_MCC_STATUS_DISP 0x00000002 /* displaying */ -#define MCHIP_MCC_STATUS_COMP 0x00000004 /* compressing */ -#define MCHIP_MCC_STATUS_DECOMP 0x00000008 /* decompressing */ -#define MCHIP_MCC_STATUS_MCC_WR 0x00000010 /* register ready */ -#define MCHIP_MCC_STATUS_MCC_RD 0x00000020 /* register ready */ -#define MCHIP_MCC_STATUS_IIC_WR 0x00000040 /* register ready */ -#define MCHIP_MCC_STATUS_OUTPUT 0x00000080 /* output in prog */ - -#define MCHIP_MCC_SIG_POLARITY 0x94 -#define MCHIP_MCC_SIG_POL_VS_H 0x00000001 /* VS active-high */ -#define MCHIP_MCC_SIG_POL_HS_H 0x00000002 /* HS active-high */ -#define MCHIP_MCC_SIG_POL_DOE_H 0x00000004 /* DOE active-high */ - -#define MCHIP_MCC_IRQ 0x98 -#define MCHIP_MCC_IRQ_CAPDIS_STRT 0x00000001 /* cap/disp started */ -#define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK 0x00000010 -#define MCHIP_MCC_IRQ_CAPDIS_END 0x00000002 /* cap/disp ended */ -#define MCHIP_MCC_IRQ_CAPDIS_END_MASK 0x00000020 -#define MCHIP_MCC_IRQ_COMPDEC_STRT 0x00000004 /* (de)comp started */ -#define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK 0x00000040 -#define MCHIP_MCC_IRQ_COMPDEC_END 0x00000008 /* (de)comp ended */ -#define MCHIP_MCC_IRQ_COMPDEC_END_MASK 0x00000080 - -#define MCHIP_MCC_HSTART 0x9c /* video in */ -#define MCHIP_MCC_VSTART 0xa0 -#define MCHIP_MCC_HCOUNT 0xa4 -#define MCHIP_MCC_VCOUNT 0xa8 -#define MCHIP_MCC_R_XBASE 0xac /* capt/disp */ -#define MCHIP_MCC_R_YBASE 0xb0 -#define MCHIP_MCC_R_XRANGE 0xb4 -#define MCHIP_MCC_R_YRANGE 0xb8 -#define MCHIP_MCC_B_XBASE 0xbc /* comp/decomp */ -#define MCHIP_MCC_B_YBASE 0xc0 -#define MCHIP_MCC_B_XRANGE 0xc4 -#define MCHIP_MCC_B_YRANGE 0xc8 - -#define MCHIP_MCC_R_SAMPLING 0xcc /* 1: 1:4 */ - -#define MCHIP_VRJ_CMD 0x100 /* VRJ commands */ - -/* VRJ registers (see table 12.2.4) */ -#define MCHIP_VRJ_COMPRESSED_DATA 0x1b0 -#define MCHIP_VRJ_PIXEL_DATA 0x1b8 - -#define MCHIP_VRJ_BUS_MODE 0x100 -#define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL 0x108 -#define MCHIP_VRJ_PDAT_USE 0x110 -#define MCHIP_VRJ_MODE_SPECIFY 0x118 -#define MCHIP_VRJ_LIMIT_COMPRESSED_LO 0x120 -#define MCHIP_VRJ_LIMIT_COMPRESSED_HI 0x124 -#define MCHIP_VRJ_COMP_DATA_FORMAT 0x128 -#define MCHIP_VRJ_TABLE_DATA 0x140 -#define MCHIP_VRJ_RESTART_INTERVAL 0x148 -#define MCHIP_VRJ_NUM_LINES 0x150 -#define MCHIP_VRJ_NUM_PIXELS 0x158 -#define MCHIP_VRJ_NUM_COMPONENTS 0x160 -#define MCHIP_VRJ_SOF1 0x168 -#define MCHIP_VRJ_SOF2 0x170 -#define MCHIP_VRJ_SOF3 0x178 -#define MCHIP_VRJ_SOF4 0x180 -#define MCHIP_VRJ_SOS 0x188 -#define MCHIP_VRJ_SOFT_RESET 0x190 - -#define MCHIP_VRJ_STATUS 0x1c0 -#define MCHIP_VRJ_STATUS_BUSY 0x00001 -#define MCHIP_VRJ_STATUS_COMP_ACCESS 0x00002 -#define MCHIP_VRJ_STATUS_PIXEL_ACCESS 0x00004 -#define MCHIP_VRJ_STATUS_ERROR 0x00008 - -#define MCHIP_VRJ_IRQ_FLAG 0x1c8 -#define MCHIP_VRJ_ERROR_REPORT 0x1d8 - -#define MCHIP_VRJ_START_COMMAND 0x1a0 - -/****************************************************************************/ -/* Driver definitions. */ -/****************************************************************************/ - -/* Sony Programmable I/O Controller for accessing the camera commands */ -#include - -/* private API definitions */ -#include -#include - - -/* Enable jpg software correction */ -#define MEYE_JPEG_CORRECTION 1 - -/* Maximum size of a buffer */ -#define MEYE_MAX_BUFSIZE 614400 /* 640 * 480 * 2 */ - -/* Maximum number of buffers */ -#define MEYE_MAX_BUFNBRS 32 - -/* State of a buffer */ -#define MEYE_BUF_UNUSED 0 /* not used */ -#define MEYE_BUF_USING 1 /* currently grabbing / playing */ -#define MEYE_BUF_DONE 2 /* done */ - -/* grab buffer */ -struct meye_grab_buffer { - int state; /* state of buffer */ - unsigned long size; /* size of jpg frame */ - struct timeval timestamp; /* timestamp */ - unsigned long sequence; /* sequence number */ -}; - -/* size of kfifos containings buffer indices */ -#define MEYE_QUEUE_SIZE MEYE_MAX_BUFNBRS - -/* Motion Eye device structure */ -struct meye { - struct v4l2_device v4l2_dev; /* Main v4l2_device struct */ - struct pci_dev *mchip_dev; /* pci device */ - u8 mchip_irq; /* irq */ - u8 mchip_mode; /* actual mchip mode: HIC_MODE... */ - u8 mchip_fnum; /* current mchip frame number */ - unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */ - u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */ - void *mchip_ptable_toc; /* mchip: ptable toc */ - dma_addr_t mchip_dmahandle; /* mchip: dma handle to ptable toc */ - unsigned char *grab_fbuffer; /* capture framebuffer */ - unsigned char *grab_temp; /* temporary buffer */ - /* list of buffers */ - struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS]; - int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */ - struct mutex lock; /* mutex for open/mmap... */ - struct kfifo grabq; /* queue for buffers to be grabbed */ - spinlock_t grabq_lock; /* lock protecting the queue */ - struct kfifo doneq; /* queue for grabbed buffers */ - spinlock_t doneq_lock; /* lock protecting the queue */ - wait_queue_head_t proc_list; /* wait queue */ - struct video_device *vdev; /* video device parameters */ - u16 brightness; - u16 hue; - u16 contrast; - u16 colour; - struct meye_params params; /* additional parameters */ - unsigned long in_use; /* set to 1 if the device is in use */ -#ifdef CONFIG_PM - u8 pm_mchip_mode; /* old mchip mode */ -#endif -}; - -#endif diff --git a/drivers/media/video/sta2x11_vip.c b/drivers/media/video/sta2x11_vip.c deleted file mode 100644 index 4c10205264d4..000000000000 --- a/drivers/media/video/sta2x11_vip.c +++ /dev/null @@ -1,1550 +0,0 @@ -/* - * This is the driver for the STA2x11 Video Input Port. - * - * Copyright (C) 2010 WindRiver Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * - * Author: Andreas Kies - * Vlad Lungu - * - */ - -#include -#include -#include -#include -#include - -#include - -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "sta2x11_vip.h" - -#define DRV_NAME "sta2x11_vip" -#define DRV_VERSION "1.3" - -#ifndef PCI_DEVICE_ID_STMICRO_VIP -#define PCI_DEVICE_ID_STMICRO_VIP 0xCC0D -#endif - -#define MAX_FRAMES 4 - -/*Register offsets*/ -#define DVP_CTL 0x00 -#define DVP_TFO 0x04 -#define DVP_TFS 0x08 -#define DVP_BFO 0x0C -#define DVP_BFS 0x10 -#define DVP_VTP 0x14 -#define DVP_VBP 0x18 -#define DVP_VMP 0x1C -#define DVP_ITM 0x98 -#define DVP_ITS 0x9C -#define DVP_STA 0xA0 -#define DVP_HLFLN 0xA8 -#define DVP_RGB 0xC0 -#define DVP_PKZ 0xF0 - -/*Register fields*/ -#define DVP_CTL_ENA 0x00000001 -#define DVP_CTL_RST 0x80000000 -#define DVP_CTL_DIS (~0x00040001) - -#define DVP_IT_VSB 0x00000008 -#define DVP_IT_VST 0x00000010 -#define DVP_IT_FIFO 0x00000020 - -#define DVP_HLFLN_SD 0x00000001 - -#define REG_WRITE(vip, reg, value) iowrite32((value), (vip->iomem)+(reg)) -#define REG_READ(vip, reg) ioread32((vip->iomem)+(reg)) - -#define SAVE_COUNT 8 -#define AUX_COUNT 3 -#define IRQ_COUNT 1 - -/** - * struct sta2x11_vip - All internal data for one instance of device - * @v4l2_dev: device registered in v4l layer - * @video_dev: properties of our device - * @pdev: PCI device - * @adapter: contains I2C adapter information - * @register_save_area: All relevant register are saved here during suspend - * @decoder: contains information about video DAC - * @format: pixel format, fixed UYVY - * @std: video standard (e.g. PAL/NTSC) - * @input: input line for video signal ( 0 or 1 ) - * @users: Number of open of device ( max. 1 ) - * @disabled: Device is in power down state - * @mutex: ensures exclusive opening of device - * @slock: for excluse acces of registers - * @vb_vidq: queue maintained by videobuf layer - * @capture: linked list of capture buffer - * @active: struct videobuf_buffer currently beingg filled - * @started: device is ready to capture frame - * @closing: device will be shut down - * @tcount: Number of top frames - * @bcount: Number of bottom frames - * @overflow: Number of FIFO overflows - * @mem_spare: small buffer of unused frame - * @dma_spare: dma addres of mem_spare - * @iomem: hardware base address - * @config: I2C and gpio config from platform - * - * All non-local data is accessed via this structure. - */ - -struct sta2x11_vip { - struct v4l2_device v4l2_dev; - struct video_device *video_dev; - struct pci_dev *pdev; - struct i2c_adapter *adapter; - unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT]; - struct v4l2_subdev *decoder; - struct v4l2_pix_format format; - v4l2_std_id std; - unsigned int input; - int users; - int disabled; - struct mutex mutex; /* exclusive access during open */ - spinlock_t slock; /* spin lock for hardware and queue access */ - struct videobuf_queue vb_vidq; - struct list_head capture; - struct videobuf_buffer *active; - int started, closing, tcount, bcount; - int overflow; - void *mem_spare; - dma_addr_t dma_spare; - void *iomem; - struct vip_config *config; -}; - -static const unsigned int registers_to_save[AUX_COUNT] = { - DVP_HLFLN, DVP_RGB, DVP_PKZ -}; - -static struct v4l2_pix_format formats_50[] = { - { /*PAL interlaced */ - .width = 720, - .height = 576, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_INTERLACED, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 576, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, - { /*PAL top */ - .width = 720, - .height = 288, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_TOP, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 288, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, - { /*PAL bottom */ - .width = 720, - .height = 288, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_BOTTOM, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 288, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, - -}; - -static struct v4l2_pix_format formats_60[] = { - { /*NTSC interlaced */ - .width = 720, - .height = 480, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_INTERLACED, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 480, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, - { /*NTSC top */ - .width = 720, - .height = 240, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_TOP, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 240, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, - { /*NTSC bottom */ - .width = 720, - .height = 240, - .pixelformat = V4L2_PIX_FMT_UYVY, - .field = V4L2_FIELD_BOTTOM, - .bytesperline = 720 * 2, - .sizeimage = 720 * 2 * 240, - .colorspace = V4L2_COLORSPACE_SMPTE170M}, -}; - -/** - * buf_setup - Get size and number of video buffer - * @vq: queue in videobuf - * @count: Number of buffers (1..MAX_FRAMES). - * 0 use default value. - * @size: size of buffer in bytes - * - * returns size and number of buffers - * a preset value of 0 returns the default number. - * return value: 0, always succesfull. - */ -static int buf_setup(struct videobuf_queue *vq, unsigned int *count, - unsigned int *size) -{ - struct sta2x11_vip *vip = vq->priv_data; - - *size = vip->format.width * vip->format.height * 2; - if (0 == *count || MAX_FRAMES < *count) - *count = MAX_FRAMES; - return 0; -}; - -/** - * buf_prepare - prepare buffer for usage - * @vq: queue in videobuf layer - * @vb: buffer to be prepared - * @field: type of video data (interlaced/non-interlaced) - * - * Allocate or realloc buffer - * return value: 0, successful. - * - * -EINVAL, supplied buffer is too small. - * - * other, buffer could not be locked. - */ -static int buf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct sta2x11_vip *vip = vq->priv_data; - int ret; - - vb->size = vip->format.width * vip->format.height * 2; - if ((0 != vb->baddr) && (vb->bsize < vb->size)) - return -EINVAL; - vb->width = vip->format.width; - vb->height = vip->format.height; - vb->field = field; - - if (VIDEOBUF_NEEDS_INIT == vb->state) { - ret = videobuf_iolock(vq, vb, NULL); - if (ret) - goto fail; - } - vb->state = VIDEOBUF_PREPARED; - return 0; -fail: - videobuf_dma_contig_free(vq, vb); - vb->state = VIDEOBUF_NEEDS_INIT; - return ret; -} - -/** - * buf_queu - queue buffer for filling - * @vq: queue in videobuf layer - * @vb: buffer to be queued - * - * if capturing is already running, the buffer will be queued. Otherwise - * capture is started and the buffer is used directly. - */ -static void buf_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct sta2x11_vip *vip = vq->priv_data; - u32 dma; - - vb->state = VIDEOBUF_QUEUED; - - if (vip->active) { - list_add_tail(&vb->queue, &vip->capture); - return; - } - - vip->started = 1; - vip->tcount = 0; - vip->bcount = 0; - vip->active = vb; - vb->state = VIDEOBUF_ACTIVE; - - dma = videobuf_to_dma_contig(vb); - - REG_WRITE(vip, DVP_TFO, (0 << 16) | (0)); - /* despite of interlace mode, upper and lower frames start at zero */ - REG_WRITE(vip, DVP_BFO, (0 << 16) | (0)); - - switch (vip->format.field) { - case V4L2_FIELD_INTERLACED: - REG_WRITE(vip, DVP_TFS, - ((vip->format.height / 2 - 1) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_BFS, ((vip->format.height / 2 - 1) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_VTP, dma); - REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2); - REG_WRITE(vip, DVP_VMP, 4 * vip->format.width); - break; - case V4L2_FIELD_TOP: - REG_WRITE(vip, DVP_TFS, - ((vip->format.height - 1) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_BFS, ((0) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_VTP, dma); - REG_WRITE(vip, DVP_VBP, dma); - REG_WRITE(vip, DVP_VMP, 2 * vip->format.width); - break; - case V4L2_FIELD_BOTTOM: - REG_WRITE(vip, DVP_TFS, ((0) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_BFS, - ((vip->format.height) << 16) | - (2 * vip->format.width - 1)); - REG_WRITE(vip, DVP_VTP, dma); - REG_WRITE(vip, DVP_VBP, dma); - REG_WRITE(vip, DVP_VMP, 2 * vip->format.width); - break; - - default: - pr_warning("VIP: unknown field format\n"); - return; - } - - REG_WRITE(vip, DVP_CTL, DVP_CTL_ENA); -} - -/** - * buff_release - release buffer - * @vq: queue in videobuf layer - * @vb: buffer to be released - * - * release buffer in videobuf layer - */ -static void buf_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - - videobuf_dma_contig_free(vq, vb); - vb->state = VIDEOBUF_NEEDS_INIT; -} - -static struct videobuf_queue_ops vip_qops = { - .buf_setup = buf_setup, - .buf_prepare = buf_prepare, - .buf_queue = buf_queue, - .buf_release = buf_release, -}; - -/** - * vip_open - open video device - * @file: descriptor of device - * - * open device, make sure it is only opened once. - * return value: 0, no error. - * - * -EBUSY, device is already opened - * - * -ENOMEM, no memory for auxiliary DMA buffer - */ -static int vip_open(struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct sta2x11_vip *vip = video_get_drvdata(dev); - - mutex_lock(&vip->mutex); - vip->users++; - - if (vip->users > 1) { - vip->users--; - mutex_unlock(&vip->mutex); - return -EBUSY; - } - - file->private_data = dev; - vip->overflow = 0; - vip->started = 0; - vip->closing = 0; - vip->active = NULL; - - INIT_LIST_HEAD(&vip->capture); - vip->mem_spare = dma_alloc_coherent(&vip->pdev->dev, 64, - &vip->dma_spare, GFP_KERNEL); - if (!vip->mem_spare) { - vip->users--; - mutex_unlock(&vip->mutex); - return -ENOMEM; - } - - mutex_unlock(&vip->mutex); - videobuf_queue_dma_contig_init_cached(&vip->vb_vidq, - &vip_qops, - &vip->pdev->dev, - &vip->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct videobuf_buffer), - vip, NULL); - REG_READ(vip, DVP_ITS); - REG_WRITE(vip, DVP_HLFLN, DVP_HLFLN_SD); - REG_WRITE(vip, DVP_ITM, DVP_IT_VSB | DVP_IT_VST); - REG_WRITE(vip, DVP_CTL, DVP_CTL_RST); - REG_WRITE(vip, DVP_CTL, 0); - REG_READ(vip, DVP_ITS); - return 0; -} - -/** - * vip_close - close video device - * @file: descriptor of device - * - * close video device, wait until all pending operations are finished - * ( maximum FRAME_MAX buffers pending ) - * Turn off interrupts. - * - * return value: 0, always succesful. - */ -static int vip_close(struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct sta2x11_vip *vip = video_get_drvdata(dev); - - vip->closing = 1; - if (vip->active) - videobuf_waiton(&vip->vb_vidq, vip->active, 0, 0); - spin_lock_irq(&vip->slock); - - REG_WRITE(vip, DVP_ITM, 0); - REG_WRITE(vip, DVP_CTL, DVP_CTL_RST); - REG_WRITE(vip, DVP_CTL, 0); - REG_READ(vip, DVP_ITS); - - vip->started = 0; - vip->active = NULL; - - spin_unlock_irq(&vip->slock); - - videobuf_stop(&vip->vb_vidq); - videobuf_mmap_free(&vip->vb_vidq); - - dma_free_coherent(&vip->pdev->dev, 64, vip->mem_spare, vip->dma_spare); - file->private_data = NULL; - mutex_lock(&vip->mutex); - vip->users--; - mutex_unlock(&vip->mutex); - return 0; -} - -/** - * vip_read - read from video input - * @file: descriptor of device - * @data: user buffer - * @count: number of bytes to be read - * @ppos: position within stream - * - * read video data from video device. - * handling is done in generic videobuf layer - * return value: provided by videobuf layer - */ -static ssize_t vip_read(struct file *file, char __user *data, - size_t count, loff_t *ppos) -{ - struct video_device *dev = file->private_data; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_read_stream(&vip->vb_vidq, data, count, ppos, 0, - file->f_flags & O_NONBLOCK); -} - -/** - * vip_mmap - map user buffer - * @file: descriptor of device - * @vma: user buffer - * - * map user space buffer into kernel mode, including DMA address. - * handling is done in generic videobuf layer. - * return value: provided by videobuf layer - */ -static int vip_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct video_device *dev = file->private_data; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_mmap_mapper(&vip->vb_vidq, vma); -} - -/** - * vip_poll - poll for event - * @file: descriptor of device - * @wait: contains events to be waited for - * - * wait for event related to video device. - * handling is done in generic videobuf layer. - * return value: provided by videobuf layer - */ -static unsigned int vip_poll(struct file *file, struct poll_table_struct *wait) -{ - struct video_device *dev = file->private_data; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_poll_stream(file, &vip->vb_vidq, wait); -} - -/** - * vidioc_querycap - return capabilities of device - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @cap: contains return values - * - * the capabilities of the device are returned - * - * return value: 0, no error. - */ -static int vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - memset(cap, 0, sizeof(struct v4l2_capability)); - strcpy(cap->driver, DRV_NAME); - strcpy(cap->card, DRV_NAME); - cap->version = 0; - snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", - pci_name(vip->pdev)); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING; - - return 0; -} - -/** - * vidioc_s_std - set video standard - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @std: contains standard to be set - * - * the video standard is set - * - * return value: 0, no error. - * - * -EIO, no input signal detected - * - * other, returned from video DAC. - */ -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - v4l2_std_id oldstd = vip->std, newstd; - int status; - - if (V4L2_STD_ALL == *std) { - v4l2_subdev_call(vip->decoder, core, s_std, *std); - ssleep(2); - v4l2_subdev_call(vip->decoder, video, querystd, &newstd); - v4l2_subdev_call(vip->decoder, video, g_input_status, &status); - if (status & V4L2_IN_ST_NO_SIGNAL) - return -EIO; - *std = vip->std = newstd; - if (oldstd != *std) { - if (V4L2_STD_525_60 & (*std)) - vip->format = formats_60[0]; - else - vip->format = formats_50[0]; - } - return 0; - } - - if (oldstd != *std) { - if (V4L2_STD_525_60 & (*std)) - vip->format = formats_60[0]; - else - vip->format = formats_50[0]; - } - - return v4l2_subdev_call(vip->decoder, core, s_std, *std); -} - -/** - * vidioc_g_std - get video standard - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @std: contains return values - * - * the current video standard is returned - * - * return value: 0, no error. - */ -static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - *std = vip->std; - return 0; -} - -/** - * vidioc_querystd - get possible video standards - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @std: contains return values - * - * all possible video standards are returned - * - * return value: delivered by video DAC routine. - */ -static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return v4l2_subdev_call(vip->decoder, video, querystd, std); - -} - -/** - * vidioc_queryctl - get possible control settings - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @ctrl: contains return values - * - * return possible values for a control - * return value: delivered by video DAC routine. - */ -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *ctrl) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return v4l2_subdev_call(vip->decoder, core, queryctrl, ctrl); -} - -/** - * vidioc_g_ctl - get control value - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @ctrl: contains return values - * - * return setting for a control value - * return value: delivered by video DAC routine. - */ -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return v4l2_subdev_call(vip->decoder, core, g_ctrl, ctrl); -} - -/** - * vidioc_s_ctl - set control value - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @ctrl: contains value to be set - * - * set value for a specific control - * return value: delivered by video DAC routine. - */ -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return v4l2_subdev_call(vip->decoder, core, s_ctrl, ctrl); -} - -/** - * vidioc_enum_input - return name of input line - * @file: descriptor of device (not used) - * @priv: points to current videodevice - * @inp: contains return values - * - * the user friendly name of the input line is returned - * - * return value: 0, no error. - * - * -EINVAL, input line number out of range - */ -static int vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *inp) -{ - if (inp->index > 1) - return -EINVAL; - - inp->type = V4L2_INPUT_TYPE_CAMERA; - inp->std = V4L2_STD_ALL; - sprintf(inp->name, "Camera %u", inp->index); - - return 0; -} - -/** - * vidioc_s_input - set input line - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @i: new input line number - * - * the current active input line is set - * - * return value: 0, no error. - * - * -EINVAL, line number out of range - */ -static int vidioc_s_input(struct file *file, void *priv, unsigned int i) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - int ret; - - if (i > 1) - return -EINVAL; - ret = v4l2_subdev_call(vip->decoder, video, s_routing, i, 0, 0); - - if (!ret) - vip->input = i; - - return 0; -} - -/** - * vidioc_g_input - return input line - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @i: returned input line number - * - * the current active input line is returned - * - * return value: always 0. - */ -static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - *i = vip->input; - return 0; -} - -/** - * vidioc_enum_fmt_vid_cap - return video capture format - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @f: returned format information - * - * returns name and format of video capture - * Only UYVY is supported by hardware. - * - * return value: always 0. - */ -static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - - if (f->index != 0) - return -EINVAL; - - strcpy(f->description, "4:2:2, packed, UYVY"); - f->pixelformat = V4L2_PIX_FMT_UYVY; - f->flags = 0; - return 0; -} - -/** - * vidioc_try_fmt_vid_cap - set video capture format - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @f: new format - * - * new video format is set which includes width and - * field type. width is fixed to 720, no scaling. - * Only UYVY is supported by this hardware. - * the minimum height is 200, the maximum is 576 (PAL) - * - * return value: 0, no error - * - * -EINVAL, pixel or field format not supported - * - */ -static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - int interlace_lim; - - if (V4L2_PIX_FMT_UYVY != f->fmt.pix.pixelformat) - return -EINVAL; - - if (V4L2_STD_525_60 & vip->std) - interlace_lim = 240; - else - interlace_lim = 288; - - switch (f->fmt.pix.field) { - case V4L2_FIELD_ANY: - if (interlace_lim < f->fmt.pix.height) - f->fmt.pix.field = V4L2_FIELD_INTERLACED; - else - f->fmt.pix.field = V4L2_FIELD_BOTTOM; - break; - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - if (interlace_lim < f->fmt.pix.height) - f->fmt.pix.height = interlace_lim; - break; - case V4L2_FIELD_INTERLACED: - break; - default: - return -EINVAL; - } - - f->fmt.pix.height &= ~1; - if (2 * interlace_lim < f->fmt.pix.height) - f->fmt.pix.height = 2 * interlace_lim; - if (200 > f->fmt.pix.height) - f->fmt.pix.height = 200; - f->fmt.pix.width = 720; - f->fmt.pix.bytesperline = f->fmt.pix.width * 2; - f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height; - f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - f->fmt.pix.priv = 0; - return 0; -} - -/** - * vidioc_s_fmt_vid_cap - set current video format parameters - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @f: returned format information - * - * set new capture format - * return value: 0, no error - * - * other, delivered by video DAC routine. - */ -static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - int ret; - - ret = vidioc_try_fmt_vid_cap(file, priv, f); - if (ret) - return ret; - - memcpy(&vip->format, &f->fmt.pix, sizeof(struct v4l2_pix_format)); - return 0; -} - -/** - * vidioc_g_fmt_vid_cap - get current video format parameters - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @f: contains format information - * - * returns current video format parameters - * - * return value: 0, always successful - */ -static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - memcpy(&f->fmt.pix, &vip->format, sizeof(struct v4l2_pix_format)); - return 0; -} - -/** - * vidioc_reqfs - request buffer - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @p: video buffer - * - * Handling is done in generic videobuf layer. - */ -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_reqbufs(&vip->vb_vidq, p); -} - -/** - * vidioc_querybuf - query buffer - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @p: video buffer - * - * query buffer state. - * Handling is done in generic videobuf layer. - */ -static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_querybuf(&vip->vb_vidq, p); -} - -/** - * vidioc_qbuf - queue a buffer - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @p: video buffer - * - * Handling is done in generic videobuf layer. - */ -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_qbuf(&vip->vb_vidq, p); -} - -/** - * vidioc_dqbuf - dequeue a buffer - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @p: video buffer - * - * Handling is done in generic videobuf layer. - */ -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_dqbuf(&vip->vb_vidq, p, file->f_flags & O_NONBLOCK); -} - -/** - * vidioc_streamon - turn on streaming - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @type: type of capture - * - * turn on streaming. - * Handling is done in generic videobuf layer. - */ -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_streamon(&vip->vb_vidq); -} - -/** - * vidioc_streamoff - turn off streaming - * @file: descriptor of device ( not used) - * @priv: points to current videodevice - * @type: type of capture - * - * turn off streaming. - * Handling is done in generic videobuf layer. - */ -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct video_device *dev = priv; - struct sta2x11_vip *vip = video_get_drvdata(dev); - - return videobuf_streamoff(&vip->vb_vidq); -} - -static const struct v4l2_file_operations vip_fops = { - .owner = THIS_MODULE, - .open = vip_open, - .release = vip_close, - .ioctl = video_ioctl2, - .read = vip_read, - .mmap = vip_mmap, - .poll = vip_poll -}; - -static const struct v4l2_ioctl_ops vip_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_s_std = vidioc_s_std, - .vidioc_g_std = vidioc_g_std, - .vidioc_querystd = vidioc_querystd, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, - .vidioc_s_input = vidioc_s_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_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, -}; - -static struct video_device video_dev_template = { - .name = DRV_NAME, - .release = video_device_release, - .fops = &vip_fops, - .ioctl_ops = &vip_ioctl_ops, - .tvnorms = V4L2_STD_ALL, -}; - -/** - * vip_irq - interrupt routine - * @irq: Number of interrupt ( not used, correct number is assumed ) - * @vip: local data structure containing all information - * - * check for both frame interrupts set ( top and bottom ). - * check FIFO overflow, but limit number of log messages after open. - * signal a complete buffer if done. - * dequeue a new buffer if available. - * disable VIP if no buffer available. - * - * return value: IRQ_NONE, interrupt was not generated by VIP - * - * IRQ_HANDLED, interrupt done. - */ -static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip) -{ - u32 status, dma; - unsigned long flags; - struct videobuf_buffer *vb; - - status = REG_READ(vip, DVP_ITS); - - if (!status) { - pr_debug("VIP: irq ignored\n"); - return IRQ_NONE; - } - - if (!vip->started) - return IRQ_HANDLED; - - if (status & DVP_IT_VSB) - vip->bcount++; - - if (status & DVP_IT_VST) - vip->tcount++; - - if ((DVP_IT_VSB | DVP_IT_VST) == (status & (DVP_IT_VST | DVP_IT_VSB))) { - /* this is bad, we are too slow, hope the condition is gone - * on the next frame */ - pr_info("VIP: both irqs\n"); - return IRQ_HANDLED; - } - - if (status & DVP_IT_FIFO) { - if (5 > vip->overflow++) - pr_info("VIP: fifo overflow\n"); - } - - if (2 > vip->tcount) - return IRQ_HANDLED; - - if (status & DVP_IT_VSB) - return IRQ_HANDLED; - - spin_lock_irqsave(&vip->slock, flags); - - REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) & ~DVP_CTL_ENA); - if (vip->active) { - do_gettimeofday(&vip->active->ts); - vip->active->field_count++; - vip->active->state = VIDEOBUF_DONE; - wake_up(&vip->active->done); - vip->active = NULL; - } - if (!vip->closing) { - if (list_empty(&vip->capture)) - goto done; - - vb = list_first_entry(&vip->capture, struct videobuf_buffer, - queue); - if (NULL == vb) { - pr_info("VIP: no buffer\n"); - goto done; - } - vb->state = VIDEOBUF_ACTIVE; - list_del(&vb->queue); - vip->active = vb; - dma = videobuf_to_dma_contig(vb); - switch (vip->format.field) { - case V4L2_FIELD_INTERLACED: - REG_WRITE(vip, DVP_VTP, dma); - REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2); - break; - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - REG_WRITE(vip, DVP_VTP, dma); - REG_WRITE(vip, DVP_VBP, dma); - break; - default: - pr_warning("VIP: unknown field format\n"); - goto done; - break; - } - REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) | DVP_CTL_ENA); - } -done: - spin_unlock_irqrestore(&vip->slock, flags); - return IRQ_HANDLED; -} - -/** - * vip_gpio_reserve - reserve gpio pin - * @dev: device - * @pin: GPIO pin number - * @dir: direction, input or output - * @name: GPIO pin name - * - */ -static int vip_gpio_reserve(struct device *dev, int pin, int dir, - const char *name) -{ - int ret; - - if (pin == -1) - return 0; - - ret = gpio_request(pin, name); - if (ret) { - dev_err(dev, "Failed to allocate pin %d (%s)\n", pin, name); - return ret; - } - - ret = gpio_direction_output(pin, dir); - if (ret) { - dev_err(dev, "Failed to set direction for pin %d (%s)\n", - pin, name); - gpio_free(pin); - return ret; - } - - ret = gpio_export(pin, false); - if (ret) { - dev_err(dev, "Failed to export pin %d (%s)\n", pin, name); - gpio_free(pin); - return ret; - } - - return 0; -} - -/** - * vip_gpio_release - release gpio pin - * @dev: device - * @pin: GPIO pin number - * @name: GPIO pin name - * - */ -static void vip_gpio_release(struct device *dev, int pin, const char *name) -{ - if (pin != -1) { - dev_dbg(dev, "releasing pin %d (%s)\n", pin, name); - gpio_unexport(pin); - gpio_free(pin); - } -} - -/** - * sta2x11_vip_init_one - init one instance of video device - * @pdev: PCI device - * @ent: (not used) - * - * allocate reset pins for DAC. - * Reset video DAC, this is done via reset line. - * allocate memory for managing device - * request interrupt - * map IO region - * register device - * find and initialize video DAC - * - * return value: 0, no error - * - * -ENOMEM, no memory - * - * -ENODEV, device could not be detected or registered - */ -static int __devinit sta2x11_vip_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int ret; - struct sta2x11_vip *vip; - struct vip_config *config; - - ret = pci_enable_device(pdev); - if (ret) - return ret; - - config = dev_get_platdata(&pdev->dev); - if (!config) { - dev_info(&pdev->dev, "VIP slot disabled\n"); - ret = -EINVAL; - goto disable; - } - - ret = vip_gpio_reserve(&pdev->dev, config->pwr_pin, 0, - config->pwr_name); - if (ret) - goto disable; - - if (config->reset_pin >= 0) { - ret = vip_gpio_reserve(&pdev->dev, config->reset_pin, 0, - config->reset_name); - if (ret) { - vip_gpio_release(&pdev->dev, config->pwr_pin, - config->pwr_name); - goto disable; - } - } - - if (config->pwr_pin != -1) { - /* Datasheet says 5ms between PWR and RST */ - usleep_range(5000, 25000); - ret = gpio_direction_output(config->pwr_pin, 1); - } - - if (config->reset_pin != -1) { - /* Datasheet says 5ms between PWR and RST */ - usleep_range(5000, 25000); - ret = gpio_direction_output(config->reset_pin, 1); - } - usleep_range(5000, 25000); - - vip = kzalloc(sizeof(struct sta2x11_vip), GFP_KERNEL); - if (!vip) { - ret = -ENOMEM; - goto release_gpios; - } - - vip->pdev = pdev; - vip->std = V4L2_STD_PAL; - vip->format = formats_50[0]; - vip->config = config; - - if (v4l2_device_register(&pdev->dev, &vip->v4l2_dev)) - goto free_mem; - - dev_dbg(&pdev->dev, "BAR #0 at 0x%lx 0x%lx irq %d\n", - (unsigned long)pci_resource_start(pdev, 0), - (unsigned long)pci_resource_len(pdev, 0), pdev->irq); - - pci_set_master(pdev); - - ret = pci_request_regions(pdev, DRV_NAME); - if (ret) - goto unreg; - - vip->iomem = pci_iomap(pdev, 0, 0x100); - if (!vip->iomem) { - ret = -ENOMEM; /* FIXME */ - goto release; - } - - pci_enable_msi(pdev); - - INIT_LIST_HEAD(&vip->capture); - spin_lock_init(&vip->slock); - mutex_init(&vip->mutex); - vip->started = 0; - vip->disabled = 0; - - ret = request_irq(pdev->irq, - (irq_handler_t) vip_irq, - IRQF_SHARED, DRV_NAME, vip); - if (ret) { - dev_err(&pdev->dev, "request_irq failed\n"); - ret = -ENODEV; - goto unmap; - } - - vip->video_dev = video_device_alloc(); - if (!vip->video_dev) { - ret = -ENOMEM; - goto release_irq; - } - - *(vip->video_dev) = video_dev_template; - video_set_drvdata(vip->video_dev, vip); - - ret = video_register_device(vip->video_dev, VFL_TYPE_GRABBER, -1); - if (ret) - goto vrelease; - - vip->adapter = i2c_get_adapter(vip->config->i2c_id); - if (!vip->adapter) { - ret = -ENODEV; - dev_err(&pdev->dev, "no I2C adapter found\n"); - goto vunreg; - } - - vip->decoder = v4l2_i2c_new_subdev(&vip->v4l2_dev, vip->adapter, - "adv7180", vip->config->i2c_addr, - NULL); - if (!vip->decoder) { - ret = -ENODEV; - dev_err(&pdev->dev, "no decoder found\n"); - goto vunreg; - } - - i2c_put_adapter(vip->adapter); - - v4l2_subdev_call(vip->decoder, core, init, 0); - - pr_info("STA2X11 Video Input Port (VIP) loaded\n"); - return 0; - -vunreg: - video_set_drvdata(vip->video_dev, NULL); -vrelease: - if (video_is_registered(vip->video_dev)) - video_unregister_device(vip->video_dev); - else - video_device_release(vip->video_dev); -release_irq: - free_irq(pdev->irq, vip); - pci_disable_msi(pdev); -unmap: - pci_iounmap(pdev, vip->iomem); - mutex_destroy(&vip->mutex); -release: - pci_release_regions(pdev); -unreg: - v4l2_device_unregister(&vip->v4l2_dev); -free_mem: - kfree(vip); -release_gpios: - vip_gpio_release(&pdev->dev, config->reset_pin, config->reset_name); - vip_gpio_release(&pdev->dev, config->pwr_pin, config->pwr_name); -disable: - /* - * do not call pci_disable_device on sta2x11 because it break all - * other Bus masters on this EP - */ - return ret; -} - -/** - * sta2x11_vip_remove_one - release device - * @pdev: PCI device - * - * Undo everything done in .._init_one - * - * unregister video device - * free interrupt - * unmap ioadresses - * free memory - * free GPIO pins - */ -static void __devexit sta2x11_vip_remove_one(struct pci_dev *pdev) -{ - struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); - struct sta2x11_vip *vip = - container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); - - video_set_drvdata(vip->video_dev, NULL); - video_unregister_device(vip->video_dev); - /*do not call video_device_release() here, is already done */ - free_irq(pdev->irq, vip); - pci_disable_msi(pdev); - pci_iounmap(pdev, vip->iomem); - pci_release_regions(pdev); - - v4l2_device_unregister(&vip->v4l2_dev); - mutex_destroy(&vip->mutex); - - vip_gpio_release(&pdev->dev, vip->config->pwr_pin, - vip->config->pwr_name); - vip_gpio_release(&pdev->dev, vip->config->reset_pin, - vip->config->reset_name); - - kfree(vip); - /* - * do not call pci_disable_device on sta2x11 because it break all - * other Bus masters on this EP - */ -} - -#ifdef CONFIG_PM - -/** - * sta2x11_vip_suspend - set device into power save mode - * @pdev: PCI device - * @state: new state of device - * - * all relevant registers are saved and an attempt to set a new state is made. - * - * return value: 0 always indicate success, - * even if device could not be disabled. (workaround for hardware problem) - * - * reurn value : 0, always succesful, even if hardware does not not support - * power down mode. - */ -static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); - struct sta2x11_vip *vip = - container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); - unsigned long flags; - int i; - - spin_lock_irqsave(&vip->slock, flags); - vip->register_save_area[0] = REG_READ(vip, DVP_CTL); - REG_WRITE(vip, DVP_CTL, vip->register_save_area[0] & DVP_CTL_DIS); - vip->register_save_area[SAVE_COUNT] = REG_READ(vip, DVP_ITM); - REG_WRITE(vip, DVP_ITM, 0); - for (i = 1; i < SAVE_COUNT; i++) - vip->register_save_area[i] = REG_READ(vip, 4 * i); - for (i = 0; i < AUX_COUNT; i++) - vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] = - REG_READ(vip, registers_to_save[i]); - spin_unlock_irqrestore(&vip->slock, flags); - /* save pci state */ - pci_save_state(pdev); - if (pci_set_power_state(pdev, pci_choose_state(pdev, state))) { - /* - * do not call pci_disable_device on sta2x11 because it - * break all other Bus masters on this EP - */ - vip->disabled = 1; - } - - pr_info("VIP: suspend\n"); - return 0; -} - -/** - * sta2x11_vip_resume - resume device operation - * @pdev : PCI device - * - * re-enable device, set PCI state to powered and restore registers. - * resume normal device operation afterwards. - * - * return value: 0, no error. - * - * other, could not set device to power on state. - */ -static int sta2x11_vip_resume(struct pci_dev *pdev) -{ - struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); - struct sta2x11_vip *vip = - container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); - unsigned long flags; - int ret, i; - - pr_info("VIP: resume\n"); - /* restore pci state */ - if (vip->disabled) { - ret = pci_enable_device(pdev); - if (ret) { - pr_warning("VIP: Can't enable device.\n"); - return ret; - } - vip->disabled = 0; - } - ret = pci_set_power_state(pdev, PCI_D0); - if (ret) { - /* - * do not call pci_disable_device on sta2x11 because it - * break all other Bus masters on this EP - */ - pr_warning("VIP: Can't enable device.\n"); - vip->disabled = 1; - return ret; - } - - pci_restore_state(pdev); - - spin_lock_irqsave(&vip->slock, flags); - for (i = 1; i < SAVE_COUNT; i++) - REG_WRITE(vip, 4 * i, vip->register_save_area[i]); - for (i = 0; i < AUX_COUNT; i++) - REG_WRITE(vip, registers_to_save[i], - vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i]); - REG_WRITE(vip, DVP_CTL, vip->register_save_area[0]); - REG_WRITE(vip, DVP_ITM, vip->register_save_area[SAVE_COUNT]); - spin_unlock_irqrestore(&vip->slock, flags); - return 0; -} - -#endif - -static DEFINE_PCI_DEVICE_TABLE(sta2x11_vip_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)}, - {0,} -}; - -static struct pci_driver sta2x11_vip_driver = { - .name = DRV_NAME, - .probe = sta2x11_vip_init_one, - .remove = __devexit_p(sta2x11_vip_remove_one), - .id_table = sta2x11_vip_pci_tbl, -#ifdef CONFIG_PM - .suspend = sta2x11_vip_suspend, - .resume = sta2x11_vip_resume, -#endif -}; - -static int __init sta2x11_vip_init_module(void) -{ - return pci_register_driver(&sta2x11_vip_driver); -} - -static void __exit sta2x11_vip_exit_module(void) -{ - pci_unregister_driver(&sta2x11_vip_driver); -} - -#ifdef MODULE -module_init(sta2x11_vip_init_module); -module_exit(sta2x11_vip_exit_module); -#else -late_initcall_sync(sta2x11_vip_init_module); -#endif - -MODULE_DESCRIPTION("STA2X11 Video Input Port driver"); -MODULE_AUTHOR("Wind River"); -MODULE_LICENSE("GPL v2"); -MODULE_SUPPORTED_DEVICE("sta2x11 video input"); -MODULE_VERSION(DRV_VERSION); -MODULE_DEVICE_TABLE(pci, sta2x11_vip_pci_tbl); diff --git a/drivers/media/video/sta2x11_vip.h b/drivers/media/video/sta2x11_vip.h deleted file mode 100644 index 4f81a13666eb..000000000000 --- a/drivers/media/video/sta2x11_vip.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (c) 2011 Wind River Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Author: Anders Wallin - * - */ - -#ifndef __STA2X11_VIP_H -#define __STA2X11_VIP_H - -/** - * struct vip_config - video input configuration data - * @pwr_name: ADV powerdown name - * @pwr_pin: ADV powerdown pin - * @reset_name: ADV reset name - * @reset_pin: ADV reset pin - */ -struct vip_config { - const char *pwr_name; - int pwr_pin; - const char *reset_name; - int reset_pin; - int i2c_id; - int i2c_addr; -}; - -#endif /* __STA2X11_VIP_H */